diff --git a/Scenes/ConceptGlossary.tscn b/Scenes/ConceptGlossary.tscn
new file mode 100644
index 0000000..d189832
--- /dev/null
+++ b/Scenes/ConceptGlossary.tscn
@@ -0,0 +1,105 @@
+[gd_scene load_steps=2 format=3 uid="uid://concept_glossary"]
+
+[ext_resource type="Script" path="res://Scripts/ConceptGlossary.gd" id="1"]
+
+[node name="ConceptGlossary" type="Control"]
+visible = false
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1")
+
+[node name="CanvasLayer" type="CanvasLayer" parent="."]
+layer = 100
+visible = false
+
+[node name="Background" type="ColorRect" parent="CanvasLayer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 0.7)
+
+[node name="Panel" type="Panel" parent="CanvasLayer"]
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -400.0
+offset_top = -300.0
+offset_right = 400.0
+offset_bottom = 300.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="CanvasLayer/Panel"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 20
+
+[node name="VBoxContainer" type="VBoxContainer" parent="CanvasLayer/Panel/MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="Title" type="Label" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "📖 Knative Concepts"
+horizontal_alignment = 1
+theme_override_font_sizes/font_size = 24
+
+[node name="SearchBox" type="LineEdit" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+placeholder_text = "Search concepts..."
+
+[node name="ScrollContainer" type="ScrollContainer" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="ResultsList" type="ItemList" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer/ScrollContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_vertical = 3
+
+[node name="ConceptPanel" type="VBoxContainer" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+theme_override_constants/separation = 10
+
+[node name="ConceptName" type="Label" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel"]
+layout_mode = 2
+theme_override_font_sizes/font_size = 20
+horizontal_alignment = 1
+
+[node name="Definition" type="Label" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel"]
+layout_mode = 2
+autowrap_mode = 3
+
+[node name="GameExample" type="Label" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel"]
+layout_mode = 2
+autowrap_mode = 3
+
+[node name="KnativeExample" type="Label" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel"]
+layout_mode = 2
+autowrap_mode = 3
+
+[node name="DocsButton" type="Button" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel"]
+layout_mode = 2
+text = "📚 Read Official Docs"
+
+[node name="CloseButton" type="Button" parent="CanvasLayer/Panel/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "Close"
+
+[connection signal="item_selected" from="CanvasLayer/Panel/MarginContainer/VBoxContainer/ScrollContainer/ResultsList" to="." method="_on_results_list_item_selected"]
diff --git a/Scenes/ConnectorLine.tscn b/Scenes/ConnectorLine.tscn
new file mode 100644
index 0000000..1bfd21b
--- /dev/null
+++ b/Scenes/ConnectorLine.tscn
@@ -0,0 +1,15 @@
+[gd_scene format=3 uid="uid://connectorline"]
+
+[ext_resource type="Script" path="res://Scripts/ConnectorLine.gd" id="1_script"]
+[ext_resource type="Shader" path="res://Scripts/scrolling_line.gdshader" id="2_shader"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_1"]
+shader = ExtResource("2_shader")
+shader_parameter/speed = 1.0
+
+[node name="ConnectorLine" type="Line2D"]
+material = SubResource("ShaderMaterial_1")
+width = 10.0
+default_color = Color(0, 0.6, 1, 0.5)
+texture_mode = 1
+script = ExtResource("1_script")
diff --git a/Scenes/basicEventFlow.tscn b/Scenes/basicEventFlow.tscn
index 8a9a1cc..5dceb58 100644
--- a/Scenes/basicEventFlow.tscn
+++ b/Scenes/basicEventFlow.tscn
@@ -56,16 +56,8 @@ script = ExtResource("6_xyb5q")
 layout_mode = 0
 offset_right = 342.0
 offset_bottom = 132.0
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]START"
+theme_override_font_sizes/font_size = 50
+text = "START"
 
 [node name="Control2" type="Control" parent="."]
 layout_mode = 3
@@ -81,16 +73,8 @@ script = ExtResource("7_3f2sq")
 layout_mode = 0
 offset_right = 342.0
 offset_bottom = 132.0
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control2/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]RESTART"
+theme_override_font_sizes/font_size = 50
+text = "RESTART"
 
 [connection signal="pressed" from="Control/Button" to="Control" method="_on_button_pressed"]
 [connection signal="pressed" from="Control2/Button" to="Control2" method="_on_button_pressed"]
diff --git a/Scenes/boxClick.tscn b/Scenes/boxClick.tscn
index 8516e59..94cdf79 100644
--- a/Scenes/boxClick.tscn
+++ b/Scenes/boxClick.tscn
@@ -74,16 +74,8 @@ script = ExtResource("9_va8kg")
 layout_mode = 0
 offset_right = 342.0
 offset_bottom = 132.0
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]START"
+theme_override_font_sizes/font_size = 50
+text = "START"
 
 [node name="Control2" type="Control" parent="."]
 layout_mode = 3
@@ -98,16 +90,8 @@ script = ExtResource("10_rwca5")
 layout_mode = 0
 offset_right = 342.0
 offset_bottom = 132.0
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control2/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]RESTART"
+theme_override_font_sizes/font_size = 50
+text = "RESTART"
 
 [node name="Draggable Filter" type="Area2D" parent="."]
 position = Vector2(288.333, 205)
diff --git a/Scenes/box_b.tscn b/Scenes/box_b.tscn
index 1498ff0..3a3e4f3 100644
--- a/Scenes/box_b.tscn
+++ b/Scenes/box_b.tscn
@@ -1,12 +1,14 @@
+[gd_scene format=3 uid="uid://cg1qlr4r42xs6"]
 [gd_scene load_steps=6 format=3 uid="uid://cg1qlr4r42xs6"]
 
 [ext_resource type="Texture2D" uid="uid://cjn14twvcwa8y" path="res://2D Assets/boxes/blueBox.png" id="1_mjw0e"]
-[ext_resource type="Script" path="res://Scripts/event_box.gd" id="2_3md8f"]
-[ext_resource type="Script" path="res://Scripts/event_box_clickable.gd" id="2_raetl"]
+[ext_resource type="Script" uid="uid://dytl3q2sat4ew" path="res://Scripts/event_box.gd" id="2_3md8f"]
+[ext_resource type="Script" uid="uid://5ydkp5vyru6l" path="res://Scripts/event_box_clickable.gd" id="2_raetl"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_6uvdh"]
 size = Vector2(211.428, 211.429)
 
+[node name="BoxB" type="Sprite2D" unique_id=1375488351 groups=["Box"]]
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_5pura"]
 content_margin_top = 9.0
 bg_color = Color(0.431373, 0.564706, 1, 1)
@@ -21,10 +23,10 @@ texture = ExtResource("1_mjw0e")
 script = ExtResource("2_3md8f")
 boxType = "Blue"
 
-[node name="Area2D" type="Area2D" parent="." groups=["Box"]]
+[node name="Area2D" type="Area2D" parent="." unique_id=1970047476 groups=["Box"]]
 script = ExtResource("2_raetl")
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D" unique_id=650521939]
 position = Vector2(0.000366211, 0)
 scale = Vector2(0.7, 0.7)
 shape = SubResource("RectangleShape2D_6uvdh")
diff --git a/Scenes/dlqPattern.tscn b/Scenes/dlqPattern.tscn
index 52acb18..11af722 100644
--- a/Scenes/dlqPattern.tscn
+++ b/Scenes/dlqPattern.tscn
@@ -72,20 +72,10 @@ script = ExtResource("11_fwn7q")
 [node name="Button" type="Button" parent="Control"]
 layout_mode = 0
 offset_top = 1.0
-offset_right = 151.0
-offset_bottom = 65.0
-
-[node name="RichTextLabel2" type="RichTextLabel" parent="Control/Button"]
-layout_mode = 0
-offset_left = -10.0
-offset_top = 16.0
-offset_right = 328.0
-offset_bottom = 89.0
-scale = Vector2(0.5, 0.5)
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]START"
+offset_right = 200.0
+offset_bottom = 80.0
+theme_override_font_sizes/font_size = 30
+text = "START"
 
 [node name="Control2" type="Control" parent="."]
 layout_mode = 3
@@ -98,19 +88,10 @@ script = ExtResource("11_pd3ou")
 
 [node name="Button" type="Button" parent="Control2"]
 layout_mode = 0
-offset_right = 342.0
-offset_bottom = 132.0
-scale = Vector2(0.45, 0.45)
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control2/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]RESTART"
+offset_right = 200.0
+offset_bottom = 80.0
+theme_override_font_sizes/font_size = 30
+text = "RESTART"
 
 [node name="Blockage" parent="." instance=ExtResource("13_cjnva")]
 position = Vector2(516, 270)
diff --git a/Scenes/message_display.tscn b/Scenes/message_display.tscn
index aaca9ee..b1f5dd0 100644
--- a/Scenes/message_display.tscn
+++ b/Scenes/message_display.tscn
@@ -11,13 +11,50 @@ grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("1_y0tj3")
 
-[node name="Label" type="Label" parent="."]
-layout_mode = 0
-offset_right = 1153.0
-offset_bottom = 649.0
+[node name="Background" type="ColorRect" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 0.7)
+
+[node name="CenterContainer" type="CenterContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="Panel" type="Panel" parent="CenterContainer"]
+custom_minimum_size = Vector2(900, 500)
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="CenterContainer/Panel"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 40
+theme_override_constants/margin_top = 40
+theme_override_constants/margin_right = 40
+theme_override_constants/margin_bottom = 40
+
+[node name="ScrollContainer" type="ScrollContainer" parent="CenterContainer/Panel/MarginContainer"]
+layout_mode = 2
+
+[node name="VBoxContainer" type="VBoxContainer" parent="CenterContainer/Panel/MarginContainer/ScrollContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/separation = 20
+
+[node name="Label" type="Label" parent="CenterContainer/Panel/MarginContainer/ScrollContainer/VBoxContainer"]
+layout_mode = 2
 theme_override_colors/font_color = Color(0, 0.286275, 0.556863, 1)
-theme_override_colors/font_shadow_color = Color(1, 0.94902, 0.870588, 1)
-theme_override_font_sizes/font_size = 100
+theme_override_font_sizes/font_size = 28
 horizontal_alignment = 1
-vertical_alignment = 1
-autowrap_mode = 2
+autowrap_mode = 3
diff --git a/Scenes/multiSink.tscn b/Scenes/multiSink.tscn
index 0a6fbb5..bc44927 100644
--- a/Scenes/multiSink.tscn
+++ b/Scenes/multiSink.tscn
@@ -232,16 +232,8 @@ layout_mode = 0
 offset_right = 342.0
 offset_bottom = 132.0
 scale = Vector2(0.9, 0.9)
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]START"
+theme_override_font_sizes/font_size = 50
+text = "START"
 
 [node name="Control2" type="Control" parent="."]
 layout_mode = 3
@@ -258,16 +250,8 @@ layout_mode = 0
 offset_right = 342.0
 offset_bottom = 132.0
 scale = Vector2(0.9, 0.9)
-
-[node name="RichTextLabel" type="RichTextLabel" parent="Control2/Button"]
-layout_mode = 0
-offset_top = 37.0
-offset_right = 338.0
-offset_bottom = 110.0
-mouse_filter = 2
-theme_override_font_sizes/normal_font_size = 50
-bbcode_enabled = true
-text = "[center]RESTART"
+theme_override_font_sizes/font_size = 50
+text = "RESTART"
 
 [connection signal="area_entered" from="Draggable Filter" to="Draggable Filter" method="_on_area_entered"]
 [connection signal="body_shape_exited" from="Draggable Filter" to="Draggable Filter" method="_on_body_shape_exited"]
diff --git a/Scenes/sink.tscn b/Scenes/sink.tscn
index fac64be..296734e 100644
--- a/Scenes/sink.tscn
+++ b/Scenes/sink.tscn
@@ -29,6 +29,13 @@ script = ExtResource("2_16xt0")
 position = Vector2(0, -5.83331)
 shape = SubResource("RectangleShape2D_7l3ci")
 
+[node name="IndicatorLight" type="ColorRect" parent="."]
+offset_left = -10.0
+offset_top = -220.0
+offset_right = 10.0
+offset_bottom = -200.0
+color = Color(0, 1, 0, 1)
+z_index = 1
 [node name="hoverlabel" type="RichTextLabel" parent="."]
 visible = false
 offset_left = 180.0
diff --git a/Scripts/ConceptGlossary.gd b/Scripts/ConceptGlossary.gd
new file mode 100644
index 0000000..2b33067
--- /dev/null
+++ b/Scripts/ConceptGlossary.gd
@@ -0,0 +1,140 @@
+extends Control
+
+@onready var search_box = $CanvasLayer/Panel/MarginContainer/VBoxContainer/SearchBox
+@onready var results_list = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ScrollContainer/ResultsList
+@onready var concept_panel = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel
+@onready var concept_name = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel/ConceptName
+@onready var definition = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel/Definition
+@onready var game_example = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel/GameExample
+@onready var knative_example = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel/KnativeExample
+@onready var docs_button = $CanvasLayer/Panel/MarginContainer/VBoxContainer/ConceptPanel/DocsButton
+@onready var close_button = $CanvasLayer/Panel/MarginContainer/VBoxContainer/CloseButton
+
+var concepts = {
+	"source": {
+		"name": "Event Source",
+		"definition": "A source generates events and sends them to a broker",
+		"game_example": "The event boxes at the start of each level",
+		"knative_example": "PingSource, ApiServerSource, KafkaSource",
+		"docs": "https://knative.dev/docs/eventing/sources/"
+	},
+	"broker": {
+		"name": "Broker",
+		"definition": "A broker receives events from sources and delivers them to sinks via triggers",
+		"game_example": "The invisible routing system that moves events in the game",
+		"knative_example": "MTChannelBasedBroker, RabbitMQBroker",
+		"docs": "https://knative.dev/docs/eventing/brokers/"
+	},
+	"trigger": {
+		"name": "Trigger",
+		"definition": "A trigger filters events and routes matching ones to a specific sink",
+		"game_example": "The connection you create from event to sink",
+		"knative_example": "Trigger with CloudEvents attribute filters",
+		"docs": "https://knative.dev/docs/eventing/triggers/"
+	},
+	"filter": {
+		"name": "Filter",
+		"definition": "Rules that determine which events match a trigger",
+		"game_example": "The colored filters you drag onto the conveyor",
+		"knative_example": "CloudEvents attribute filters (type, source, etc.)",
+		"docs": "https://knative.dev/docs/eventing/triggers/#trigger-filtering"
+	},
+	"sink": {
+		"name": "Sink",
+		"definition": "A sink receives and processes events",
+		"game_example": "The colored boxes where events are delivered",
+		"knative_example": "Knative Service, Channel, URI endpoint",
+		"docs": "https://knative.dev/docs/eventing/sinks/"
+	},
+	"dlq": {
+		"name": "Dead Letter Queue",
+		"definition": "A special sink that catches events that fail to process",
+		"game_example": "The DLS that catches blocked events in Level 4",
+		"knative_example": "DeadLetterSink in delivery spec",
+		"docs": "https://knative.dev/docs/eventing/event-delivery/"
+	},
+	"cloudevents": {
+		"name": "CloudEvents",
+		"definition": "A standard format for describing events",
+		"game_example": "The event boxes with different colors (types)",
+		"knative_example": "CloudEvents spec with type, source, id, etc.",
+		"docs": "https://cloudevents.io/"
+	},
+	"channel": {
+		"name": "Channel",
+		"definition": "A messaging channel that can be used as a sink or source",
+		"game_example": "Not directly shown in current levels",
+		"knative_example": "InMemoryChannel, KafkaChannel",
+		"docs": "https://knative.dev/docs/eventing/channels/"
+	},
+	"subscription": {
+		"name": "Subscription",
+		"definition": "Routes events from a channel to a sink",
+		"game_example": "Similar to the trigger concept in the game",
+		"knative_example": "Subscription connecting Channel to Sink",
+		"docs": "https://knative.dev/docs/eventing/channels/subscriptions/"
+	},
+	"retry": {
+		"name": "Retry Policy",
+		"definition": "Configuration for retrying failed event deliveries",
+		"game_example": "Related to DLQ pattern in Level 4",
+		"knative_example": "Retry count and backoff delay in delivery spec",
+		"docs": "https://knative.dev/docs/eventing/event-delivery/"
+	}
+}
+
+func _ready():
+	add_to_group("Glossary")
+	search_box.text_changed.connect(_on_search_changed)
+	close_button.pressed.connect(_on_close_pressed)
+	docs_button.pressed.connect(_on_docs_pressed)
+	concept_panel.visible = false
+	populate_all_concepts()
+
+func populate_all_concepts():
+	results_list.clear()
+	for key in concepts:
+		results_list.add_item(concepts[key].name)
+
+func _on_search_changed(query: String):
+	if query == "":
+		populate_all_concepts()
+		return
+	
+	results_list.clear()
+	for key in concepts:
+		if key.contains(query.to_lower()) or \
+		   concepts[key].name.to_lower().contains(query.to_lower()):
+			results_list.add_item(concepts[key].name)
+
+func _on_results_list_item_selected(index: int):
+	var item_text = results_list.get_item_text(index)
+	for key in concepts:
+		if concepts[key].name == item_text:
+			show_concept(key)
+			break
+
+func show_concept(concept_id: String):
+	var concept = concepts.get(concept_id)
+	if concept:
+		concept_name.text = concept.name
+		definition.text = concept.definition
+		game_example.text = "🎮 In game: " + concept.game_example
+		knative_example.text = "📦 In Knative: " + concept.knative_example
+		docs_button.set_meta("url", concept.docs)
+		concept_panel.visible = true
+
+func _on_close_pressed():
+	$CanvasLayer.visible = false
+
+func _on_docs_pressed():
+	var url = docs_button.get_meta("url")
+	OS.shell_open(url)
+
+func open_to_term(term: String):
+	$CanvasLayer.visible = true
+	if concepts.has(term):
+		show_concept(term)
+
+func open():
+	$CanvasLayer.visible = true
diff --git a/Scripts/ConceptGlossary.gd.uid b/Scripts/ConceptGlossary.gd.uid
new file mode 100644
index 0000000..d7c98b0
--- /dev/null
+++ b/Scripts/ConceptGlossary.gd.uid
@@ -0,0 +1 @@
+uid://bkuqtb0brcw4t
diff --git a/Scripts/ConnectorLine.gd b/Scripts/ConnectorLine.gd
new file mode 100644
index 0000000..4ef2027
--- /dev/null
+++ b/Scripts/ConnectorLine.gd
@@ -0,0 +1,129 @@
+extends Line2D
+
+# Nodes to connect
+var start_node: Node2D
+var end_node: Node2D
+
+# Animation properties
+var packet_timer = 0.0
+var spawn_interval = 0.5 # Spawn a packet every 0.5 seconds
+var packet_speed = 200.0 # Pixels per second
+
+# Array to track active packets (sprites)
+var packets = []
+var active = true
+
+func setup(start: Node2D, end: Node2D):
+	start_node = start
+	end_node = end
+	
+	# Set line style
+	width = 3.0
+	default_color = Color(1.0, 0.2, 0.2, 0.8) # Vibrant Red
+	texture_mode = Line2D.LINE_TEXTURE_TILE
+	_create_dotted_texture()
+	
+	_update_line_positions()
+
+func _ready():
+	texture_repeat = CanvasItem.TEXTURE_REPEAT_ENABLED
+	begin_cap_mode = Line2D.LINE_CAP_ROUND
+	end_cap_mode = Line2D.LINE_CAP_ROUND
+
+func fade_out():
+	active = false
+	var tween = create_tween()
+	# Clear all packets immediately
+	for p in packets:
+		if is_instance_valid(p.node):
+			p.node.queue_free()
+	packets.clear()
+	# Fade out the line
+	tween.tween_property(self, "modulate:a", 0.0, 0.3)
+	tween.finished.connect(queue_free)
+
+func _process(delta):
+	if not active: return
+	
+	# Update connection line in case objects move
+	_update_line_positions()
+	
+	# Spawn packets
+	packet_timer += delta
+	if packet_timer >= spawn_interval:
+		packet_timer = 0.0
+		_spawn_packet()
+		
+	# Move packets
+	_move_packets(delta)
+
+func _update_line_positions():
+	if is_instance_valid(start_node) and is_instance_valid(end_node):
+		clear_points()
+		# Start at bottom of box, End at top of sink
+		# Small adjustment to Vector2(0, 0) logic might be needed for "middle corner"
+		var start_p = start_node.global_position + Vector2(0, 70)
+		var end_p = end_node.global_position - Vector2(0, 110)
+		add_point(start_p)
+		add_point(end_p)
+	else:
+		queue_free()
+
+func _spawn_packet():
+	if not is_instance_valid(start_node) or not is_instance_valid(end_node): return
+	
+	# Create a visual arrow using a Label
+	var pkt = Label.new()
+	pkt.text = "v" # Arrow pointing down
+	pkt.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	
+	# High-contrast Red Theme
+	pkt.add_theme_color_override("font_color", Color(1.0, 0.3, 0.3)) # Bright Red
+	pkt.add_theme_color_override("font_shadow_color", Color(0.5, 0, 0, 1.0))
+	pkt.add_theme_constant_override("shadow_offset_x", 0)
+	pkt.add_theme_constant_override("shadow_offset_y", 0)
+	pkt.add_theme_constant_override("shadow_outline_size", 14)
+	pkt.add_theme_font_size_override("font_size", 30)
+	
+	# Use the same points as the line
+	var start_pos = start_node.global_position + Vector2(0, 70)
+	var end_pos = end_node.global_position - Vector2(0, 110)
+	
+	pkt.global_position = start_pos - Vector2(10, 15) # Offset to center
+	add_child(pkt)
+	
+	packets.append({
+		"node": pkt,
+		"progress": 0.0,
+		"start": start_pos,
+		"end": end_pos
+	})
+
+func _move_packets(delta):
+	# Iterate backwards to allow removing items
+	for i in range(packets.size() - 1, -1, -1):
+		var p = packets[i]
+		
+		var total_dist = p.start.distance_to(p.end)
+		if total_dist == 0: continue
+		
+		p.progress += (packet_speed * delta) / total_dist
+		
+		if p.progress >= 1.0:
+			p.node.queue_free()
+			packets.remove_at(i)
+		else:
+			var current_pos = p.start.lerp(p.end, p.progress)
+			p.node.global_position = current_pos - Vector2(10, 15)
+
+func _create_dotted_texture():
+	var img = Image.create(16, 16, false, Image.FORMAT_RGBA8)
+	img.fill(Color(0,0,0,0)) # Transparent
+	
+	# Draw a small 4x4 dot in the middle
+	for x in range(6, 10):
+		for y in range(6, 10):
+			img.set_pixel(x, y, Color(1, 1, 1, 1))
+			
+	var tex = ImageTexture.create_from_image(img)
+	texture = tex
diff --git a/Scripts/ConnectorLine.gd.uid b/Scripts/ConnectorLine.gd.uid
new file mode 100644
index 0000000..cdb8089
--- /dev/null
+++ b/Scripts/ConnectorLine.gd.uid
@@ -0,0 +1 @@
+uid://yl8kaawhc6m4
diff --git a/Scripts/ConveyerController.gd b/Scripts/ConveyerController.gd
index e7c6fc0..62e3f89 100644
--- a/Scripts/ConveyerController.gd
+++ b/Scripts/ConveyerController.gd
@@ -11,12 +11,12 @@ var can_send = false
 var started = false
 
 func initialise():
-	self.selected
+	self.selected = null
 	self.events = []
 	self.destination = []
 	self.conveyer = []
 	self.conveyerInd = 0
-	self.dragging
+	self.dragging = null
 	self.sendingEnd = false
 	self.can_send = false
 	self.started = false
@@ -41,6 +41,18 @@ func _process(delta: float) -> void:
 	pass
 
 func create_conveyor():
+	if conveyer.size() == 0:
+		print("ERROR: No conveyor Line2D found in scene!")
+		return
+		
+	# We use min() to ensure we don't go out of bounds of the actual Line2D nodes
+	# but we let conveyerInd grow so that destination and events indexing works.
+	var line_idx = min(conveyerInd, conveyer.size() - 1)
+	
+	conveyer[line_idx].set_point_position(0, selected.get_position())
+	conveyer[line_idx].set_point_position(1, destination[conveyerInd])
+	
+	conveyerInd += 1
 
 	conveyer[conveyerInd].set_point_position(0, selected.get_position())
 	conveyer[conveyerInd].set_point_position(1, destination[conveyerInd])
diff --git a/Scripts/ConveyerController.gd.uid b/Scripts/ConveyerController.gd.uid
new file mode 100644
index 0000000..d8ac4c5
--- /dev/null
+++ b/Scripts/ConveyerController.gd.uid
@@ -0,0 +1 @@
+uid://bnlfxoacpufh8
diff --git a/Scripts/HoverLabel.gd b/Scripts/HoverLabel.gd
new file mode 100644
index 0000000..d4d4eb5
--- /dev/null
+++ b/Scripts/HoverLabel.gd
@@ -0,0 +1,45 @@
+extends Label
+
+var hover_text: String = ""
+var element_type: String = ""
+
+func _ready():
+	mouse_entered.connect(_on_mouse_entered)
+	mouse_exited.connect(_on_mouse_exited)
+	mouse_filter = Control.MOUSE_FILTER_PASS
+
+func set_hover_info(type: String, description: String):
+	element_type = type
+	hover_text = description
+
+func _on_mouse_entered():
+	if hover_text != "":
+		var tooltip = create_tooltip()
+		add_child(tooltip)
+
+func _on_mouse_exited():
+	for child in get_children():
+		if child.name == "HoverTooltip":
+			child.queue_free()
+
+func create_tooltip() -> Control:
+	var tooltip = Panel.new()
+	tooltip.name = "HoverTooltip"
+	tooltip.custom_minimum_size = Vector2(200, 60)
+	tooltip.position = Vector2(0, -70)
+	
+	var label = Label.new()
+	label.text = hover_text
+	label.autowrap_mode = TextServer.AUTOWRAP_WORD
+	label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	
+	var margin = MarginContainer.new()
+	margin.add_theme_constant_override("margin_left", 10)
+	margin.add_theme_constant_override("margin_right", 10)
+	margin.add_theme_constant_override("margin_top", 10)
+	margin.add_theme_constant_override("margin_bottom", 10)
+	margin.add_child(label)
+	
+	tooltip.add_child(margin)
+	return tooltip
diff --git a/Scripts/HoverLabel.gd.uid b/Scripts/HoverLabel.gd.uid
new file mode 100644
index 0000000..6a713b1
--- /dev/null
+++ b/Scripts/HoverLabel.gd.uid
@@ -0,0 +1 @@
+uid://cbej48bod4f4a
diff --git a/Scripts/SinkClick.gd b/Scripts/SinkClick.gd
index 35de978..9a178d9 100644
--- a/Scripts/SinkClick.gd
+++ b/Scripts/SinkClick.gd
@@ -1,8 +1,10 @@
 extends Area2D
 # Called when the node enters the scene tree for the first time.
 func _input_event(viewport, event, shape_idx):
-	if event.is_pressed() and ConveyerController.selected != null:
-		self.on_click()
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
+		if ConveyerController.selected != null:
+			get_viewport().set_input_as_handled()
+			self.on_click()
 
 func on_click():
 	print("hey")
diff --git a/Scripts/SinkClick.gd.uid b/Scripts/SinkClick.gd.uid
new file mode 100644
index 0000000..626a000
--- /dev/null
+++ b/Scripts/SinkClick.gd.uid
@@ -0,0 +1 @@
+uid://w754cpbe067v
diff --git a/Scripts/TutorialManager.gd b/Scripts/TutorialManager.gd
new file mode 100644
index 0000000..2830107
--- /dev/null
+++ b/Scripts/TutorialManager.gd
@@ -0,0 +1,74 @@
+extends Node
+
+var current_tutorial: Dictionary = {}
+var tutorials_completed: Dictionary = {}
+var show_tutorials: bool = true
+var current_step: int = 0
+
+signal tutorial_started(level: String)
+signal tutorial_step_completed(step: String)
+signal tutorial_finished(level: String)
+
+func start_level_tutorial(level_name: String):
+	if tutorials_completed.get(level_name, false):
+		return
+	
+	var tutorial_path = "res://tutorial_data/" + level_name + ".json"
+	var tutorial_file = FileAccess.open(tutorial_path, FileAccess.READ)
+	if tutorial_file:
+		var tutorial_text = tutorial_file.get_as_text()
+		current_tutorial = JSON.parse_string(tutorial_text)
+		current_step = 0
+		emit_signal("tutorial_started", level_name)
+		show_current_step()
+
+func show_current_step():
+	if current_step >= current_tutorial.steps.size():
+		finish_tutorial()
+		return
+	
+	var step = current_tutorial.steps[current_step]
+	show_tooltip(step.text, step.get("highlight", ""))
+
+func show_tooltip(text: String, highlight_target: String = ""):
+	if not ResourceLoader.exists("res://Scenes/TutorialTooltip.tscn"):
+		print("TutorialTooltip scene not found - skipping tutorial step")
+		return
+		
+	var tooltip_scene = load("res://Scenes/TutorialTooltip.tscn")
+	if tooltip_scene:
+		var tooltip = tooltip_scene.instantiate()
+		tooltip.set_text(text)
+		if highlight_target != "":
+			var target = get_tree().get_first_node_in_group(highlight_target)
+			if target:
+				tooltip.point_to(target)
+		add_child(tooltip)
+
+func next_step():
+	current_step += 1
+	show_current_step()
+
+func skip_tutorial():
+	finish_tutorial()
+
+func finish_tutorial():
+	tutorials_completed[current_tutorial.level] = true
+	emit_signal("tutorial_finished", current_tutorial.level)
+	current_tutorial = {}
+
+func open_glossary(term: String = ""):
+	var glossary = get_tree().get_first_node_in_group("Glossary")
+	
+	if not glossary:
+		# Auto-instantiate if missing
+		var glossary_scene = load("res://Scenes/ConceptGlossary.tscn")
+		if glossary_scene:
+			glossary = glossary_scene.instantiate()
+			get_tree().root.add_child(glossary)
+	
+	if glossary:
+		if term != "":
+			glossary.open_to_term(term)
+		else:
+			glossary.open()
diff --git a/Scripts/TutorialManager.gd.uid b/Scripts/TutorialManager.gd.uid
new file mode 100644
index 0000000..c8a7ac3
--- /dev/null
+++ b/Scripts/TutorialManager.gd.uid
@@ -0,0 +1 @@
+uid://b1fvugn2vjief
diff --git a/Scripts/TutorialTooltip.gd b/Scripts/TutorialTooltip.gd
new file mode 100644
index 0000000..826cccd
--- /dev/null
+++ b/Scripts/TutorialTooltip.gd
@@ -0,0 +1,20 @@
+extends Control
+
+@onready var label = $Panel/MarginContainer/VBoxContainer/Label
+@onready var next_button = $Panel/MarginContainer/VBoxContainer/HBoxContainer/NextButton
+@onready var skip_button = $Panel/MarginContainer/VBoxContainer/HBoxContainer/SkipButton
+
+func set_text(text: String):
+	label.text = text
+
+func point_to(target: Node2D):
+	# Position tooltip near target
+	global_position = target.global_position + Vector2(50, -100)
+
+func _on_next_button_pressed():
+	TutorialManager.next_step()
+	queue_free()
+
+func _on_skip_button_pressed():
+	TutorialManager.skip_tutorial()
+	queue_free()
diff --git a/Scripts/TutorialTooltip.gd.uid b/Scripts/TutorialTooltip.gd.uid
new file mode 100644
index 0000000..5e1ece1
--- /dev/null
+++ b/Scripts/TutorialTooltip.gd.uid
@@ -0,0 +1 @@
+uid://ccckld3okgh66
diff --git a/Scripts/both_blockage.gd.uid b/Scripts/both_blockage.gd.uid
new file mode 100644
index 0000000..8b301e3
--- /dev/null
+++ b/Scripts/both_blockage.gd.uid
@@ -0,0 +1 @@
+uid://odnhfeutmjdi
diff --git a/Scripts/broker.gd.uid b/Scripts/broker.gd.uid
new file mode 100644
index 0000000..ae61bda
--- /dev/null
+++ b/Scripts/broker.gd.uid
@@ -0,0 +1 @@
+uid://cam24iwnaw7yy
diff --git a/Scripts/conveyor.gd.uid b/Scripts/conveyor.gd.uid
new file mode 100644
index 0000000..9162fdd
--- /dev/null
+++ b/Scripts/conveyor.gd.uid
@@ -0,0 +1 @@
+uid://bcun1ayw6n28i
diff --git a/Scripts/dlqPattern.gd.uid b/Scripts/dlqPattern.gd.uid
new file mode 100644
index 0000000..56e45da
--- /dev/null
+++ b/Scripts/dlqPattern.gd.uid
@@ -0,0 +1 @@
+uid://cida2g53o8r2v
diff --git a/Scripts/draggable_filter.gd.uid b/Scripts/draggable_filter.gd.uid
new file mode 100644
index 0000000..760b889
--- /dev/null
+++ b/Scripts/draggable_filter.gd.uid
@@ -0,0 +1 @@
+uid://bygsdpswtckxt
diff --git a/Scripts/event_box.gd b/Scripts/event_box.gd
index b83bd02..61bec3a 100644
--- a/Scripts/event_box.gd
+++ b/Scripts/event_box.gd
@@ -37,8 +37,8 @@ func _ready() -> void:
 			
 
 func _input_event(viewport, event, shape_idx) -> void:
-	print(event)
-	if event.is_pressed():
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
+		get_viewport().set_input_as_handled()
 		self.on_click()
 		
 func on_click():
diff --git a/Scripts/event_box.gd.uid b/Scripts/event_box.gd.uid
new file mode 100644
index 0000000..648e53e
--- /dev/null
+++ b/Scripts/event_box.gd.uid
@@ -0,0 +1 @@
+uid://dytl3q2sat4ew
diff --git a/Scripts/event_box_clickable.gd.uid b/Scripts/event_box_clickable.gd.uid
new file mode 100644
index 0000000..f7dd37e
--- /dev/null
+++ b/Scripts/event_box_clickable.gd.uid
@@ -0,0 +1 @@
+uid://5ydkp5vyru6l
diff --git a/Scripts/event_button.gd.uid b/Scripts/event_button.gd.uid
new file mode 100644
index 0000000..cf51b60
--- /dev/null
+++ b/Scripts/event_button.gd.uid
@@ -0,0 +1 @@
+uid://0jf80xpverit
diff --git a/Scripts/level.gd b/Scripts/level.gd
index 5565b4c..d1512dc 100644
--- a/Scripts/level.gd
+++ b/Scripts/level.gd
@@ -8,6 +8,8 @@ var totalbox=[2,2,3]
 var nextLevel
 var levels=["basicEventFlow","boxClick","multiSink","dlqPattern"]
 var levelind=0
+var tutorial_lines = []
+var step_labels = []
 
 func initialise():
 	sinkBoxMatchPresent=true
@@ -15,6 +17,126 @@ func initialise():
 	totalbox=0
 	nextLevel=false
 	dlsUsed=false
+	clear_tutorial_lines()
+	clear_step_labels()
+	
+func _ready():
+	_create_help_button()
+	get_tree().node_added.connect(_on_node_added)
+	# Check if already loaded (for first run)
+	var current = get_tree().current_scene
+	if current and current.name == "basicEventFlow":
+		_spawn_tutorial_lines(current)
+		_create_tutorial_steps(current)
+
+func _process(_delta):
+	if levelind == 0 and step_labels.size() >= 2:
+		var lbl1 = step_labels[0]
+		var lbl2 = step_labels[1]
+		if is_instance_valid(lbl1) and is_instance_valid(lbl2):
+			if ConveyerController.selected == null:
+				lbl1.visible = true
+				lbl2.visible = false
+			else:
+				lbl1.visible = false
+				lbl2.visible = true
+
+func _on_node_added(node):
+	if node.name == "basicEventFlow":
+		# Wait a frame for children to be ready
+		await get_tree().process_frame
+		_spawn_tutorial_lines(node)
+		_create_tutorial_steps(node)
+
+func _spawn_tutorial_lines(scene_root):
+	print("Spawning tutorial lines for Level 1...")
+	# Load the connector line scene
+	var line_scene = load("res://Scenes/ConnectorLine.tscn")
+	if not line_scene: return
+
+	# Find nodes (hardcoded names based on basicEventFlow.tscn)
+	var box_a = scene_root.get_node_or_null("BoxA")
+	var box_b = scene_root.get_node_or_null("BoxB") 
+	var sink = scene_root.get_node_or_null("Sink")
+	
+	# Connect BoxA -> Sink
+	if box_a and sink:
+		var line1 = line_scene.instantiate()
+		scene_root.add_child(line1)
+		line1.setup(box_a, sink)
+		tutorial_lines.append(line1)
+		
+	# Connect BoxB -> Sink
+	if box_b and sink:
+		var line2 = line_scene.instantiate()
+		scene_root.add_child(line2)
+		line2.setup(box_b, sink)
+		tutorial_lines.append(line2)
+
+func clear_tutorial_lines():
+	for line in tutorial_lines:
+		if is_instance_valid(line):
+			line.fade_out()
+	tutorial_lines.clear()
+
+func _create_tutorial_steps(scene_root):
+	var box_a = scene_root.get_node_or_null("BoxA")
+	var sink = scene_root.get_node_or_null("Sink")
+	
+	if not box_a or not sink: return
+	
+	var label1 = Label.new()
+	label1.text = "1. Click a Box to Select"
+	# Move further left to avoid overlap with the box
+	label1.position = box_a.global_position + Vector2(-400, -30)
+	scene_root.add_child(label1)
+	step_labels.append(label1)
+	
+	var label2 = Label.new()
+	label2.text = "2. Now click the Sink"
+	# Move much further left to clear the sink graphic (was -350, now -550)
+	label2.position = sink.global_position + Vector2(-550, 0)
+	scene_root.add_child(label2)
+	step_labels.append(label2)
+	
+	# Style labels
+	for lbl in step_labels:
+		lbl.add_theme_font_size_override("font_size", 28)
+		lbl.add_theme_color_override("font_color", Color(1, 0.2, 0.2)) # High contrast red
+
+func clear_step_labels():
+	for lbl in step_labels:
+		if is_instance_valid(lbl):
+			var tween = create_tween()
+			tween.tween_property(lbl, "modulate:a", 0.0, 0.3)
+			tween.finished.connect(lbl.queue_free)
+	step_labels.clear()
+
+func _create_help_button():
+	# Create a CanvasLayer so button stays on top of everything
+	var canvas = CanvasLayer.new()
+	add_child(canvas)
+	
+	var help_btn = Button.new()
+	help_btn.text = "?"
+	help_btn.name = "GlobalHelpButton"
+	
+	# Style the button to look like a circle/help icon
+	help_btn.custom_minimum_size = Vector2(40, 40)
+	help_btn.position = Vector2(get_viewport().get_visible_rect().size.x - 60, 20) # Top right
+	
+	# Connect signal
+	help_btn.pressed.connect(_on_help_pressed)
+	
+	canvas.add_child(help_btn)
+
+func _on_help_pressed():
+	print("Help button pressed!")
+	# Try access via singleton name directly first (if autoloaded)
+	if has_node("/root/TutorialManager"):
+		get_node("/root/TutorialManager").open_glossary()
+	else:
+		print("CRITICAL ERROR: TutorialManager not found in /root. Please add 'Scripts/TutorialManager.gd' to Project Settings -> Autoload as 'TutorialManager'")
 
 func  next_level():
 	if sinkUsed:
@@ -47,8 +169,44 @@ func  next_level():
 			print("End of Levels.")
 			get_tree().change_scene_to_file("res://Scenes/end_of_all_levels.tscn")
 	else:
+		var failure_data = analyze_failure()
+		show_educational_failure(failure_data, message_display)
+		await message_display.show_message_for_duration(4.0)
 		print("Failed. Try Again")
 		AudioManager.play_level_fail() 
 		message_display.show_message("Failed. Try Again")
 		await message_display.show_message_for_duration(2.0)
 		message_display.visible = false
+
+func analyze_failure() -> Dictionary:
+	var reason = ""
+	var hint = ""
+	var lesson = ""
+	
+	if not sinkUsed:
+		reason = "No events were delivered to any sink"
+		hint = "Click an event to select it, then click a sink to route it"
+		lesson = "In Knative, events must be routed from sources to sinks through triggers"
+	
+	elif sinkBoxMatchNeeded[levelind] and not sinkBoxMatchPresent:
+		reason = "Wrong event type delivered to sink"
+		hint = "Use filters to match event colors with sink colors"
+		lesson = "Knative Triggers use filters to ensure events reach the correct subscribers based on event attributes"
+	
+	elif dlsRequired[levelind] and not dlsUsed:
+		reason = "Failed events were not routed to Dead Letter Sink"
+		hint = "Click the DLS to catch events that hit the blockage"
+		lesson = "Dead Letter Sinks prevent data loss by catching events that fail to process"
+	
+	return {
+		"reason": reason,
+		"hint": hint,
+		"lesson": lesson
+	}
+
+func show_educational_failure(data: Dictionary, message_display: Control):
+	message_display.show_failure_with_lesson(
+		data.reason,
+		data.hint,
+		data.lesson
+	)
diff --git a/Scripts/level.gd.uid b/Scripts/level.gd.uid
new file mode 100644
index 0000000..06905c1
--- /dev/null
+++ b/Scripts/level.gd.uid
@@ -0,0 +1 @@
+uid://bw6bxdjmdb7h3
diff --git a/Scripts/message_display.gd b/Scripts/message_display.gd
index 0692202..912d782 100644
--- a/Scripts/message_display.gd
+++ b/Scripts/message_display.gd
@@ -2,7 +2,7 @@ extends Control
 
 func show_message(text):
 	print("Message displayed")
-	$Label.text=text
+	$CenterContainer/Panel/MarginContainer/ScrollContainer/VBoxContainer/Label.text = text
 	
 func show_message_for_duration(duration: float) -> void:
 	var timer := Timer.new()
@@ -12,3 +12,10 @@ func show_message_for_duration(duration: float) -> void:
 	timer.start()
 	await timer.timeout
 	timer.queue_free()
+
+func show_failure_with_lesson(reason: String, hint: String, lesson: String):
+	var full_message = "❌ Level Failed\n\n"
+	full_message += "Why: " + reason + "\n\n"
+	full_message += "💡 Hint: " + hint + "\n\n"
+	full_message += "🎓 Knative Concept:\n" + lesson
+	$CenterContainer/Panel/MarginContainer/ScrollContainer/VBoxContainer/Label.text = full_message
diff --git a/Scripts/message_display.gd.uid b/Scripts/message_display.gd.uid
new file mode 100644
index 0000000..f331284
--- /dev/null
+++ b/Scripts/message_display.gd.uid
@@ -0,0 +1 @@
+uid://chxe8vkdsleow
diff --git a/Scripts/multi_sink.gd.uid b/Scripts/multi_sink.gd.uid
new file mode 100644
index 0000000..1f1c4a3
--- /dev/null
+++ b/Scripts/multi_sink.gd.uid
@@ -0,0 +1 @@
+uid://n4c8672uung
diff --git a/Scripts/multi_sink_start.gd.uid b/Scripts/multi_sink_start.gd.uid
new file mode 100644
index 0000000..f53a75e
--- /dev/null
+++ b/Scripts/multi_sink_start.gd.uid
@@ -0,0 +1 @@
+uid://dud6dvq05qg45
diff --git a/Scripts/restart.gd.uid b/Scripts/restart.gd.uid
new file mode 100644
index 0000000..36894f6
--- /dev/null
+++ b/Scripts/restart.gd.uid
@@ -0,0 +1 @@
+uid://b4hbl1q7gcjns
diff --git a/Scripts/scrolling_line.gdshader b/Scripts/scrolling_line.gdshader
new file mode 100644
index 0000000..3fbc27f
--- /dev/null
+++ b/Scripts/scrolling_line.gdshader
@@ -0,0 +1,10 @@
+shader_type canvas_item;
+
+uniform float speed = 2.0;
+
+void fragment() {
+	vec2 uv = UV;
+	uv.x -= TIME * speed;
+	vec4 color = texture(TEXTURE, uv);
+	COLOR = color * MODULATE;
+}
diff --git a/Scripts/scrolling_line.gdshader.uid b/Scripts/scrolling_line.gdshader.uid
new file mode 100644
index 0000000..ec6005c
--- /dev/null
+++ b/Scripts/scrolling_line.gdshader.uid
@@ -0,0 +1 @@
+uid://banpga7uk8v7q
diff --git a/Scripts/sink.gd b/Scripts/sink.gd
index 22c93bd..45289a2 100644
--- a/Scripts/sink.gd
+++ b/Scripts/sink.gd
@@ -1,15 +1,30 @@
 extends Sprite2D
 
 @export var expectedType: String
+@export var available: bool = true
+
+var blink_timer: float = 0.0
+var blink_interval: float = 0.5
+var indicator_light: ColorRect = null
 
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	pass # Replace with function body.
+	indicator_light = get_node_or_null("IndicatorLight")
+	if indicator_light == null:
+		push_warning("IndicatorLight not found in sink scene")
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
+	if indicator_light != null:
+		if available:
+			blink_timer += delta
+			if blink_timer >= blink_interval:
+				blink_timer = 0.0
+				indicator_light.visible = !indicator_light.visible
+		else:
+			indicator_light.visible = false
 	pass
 
 
diff --git a/Scripts/sink.gd.uid b/Scripts/sink.gd.uid
new file mode 100644
index 0000000..cf4ffa0
--- /dev/null
+++ b/Scripts/sink.gd.uid
@@ -0,0 +1 @@
+uid://dqgsvirkb1x2
diff --git a/project.godot b/project.godot
index fdbdc1c..37eb537 100644
--- a/project.godot
+++ b/project.godot
@@ -8,17 +8,22 @@
 
 config_version=5
 
+[animation]
+
+compatibility/default_parent_skeleton_in_mesh_instance_3d=true
+
 [application]
 
 config/name="eventing-game"
 run/main_scene="res://Scenes/basicEventFlow.tscn"
-config/features=PackedStringArray("4.3", "GL Compatibility")
+config/features=PackedStringArray("4.6", "GL Compatibility")
 config/icon="res://icon.svg"
 
 [autoload]
 
 ConveyerController="*res://Scripts/ConveyerController.gd"
 Level="*res://Scripts/level.gd"
+TutorialManager="*uid://b1fvugn2vjief"
 AudioManager="*res://Scripts/AudioManager.gd"
 
 [input]
diff --git a/tutorial_data/basicEventFlow.json b/tutorial_data/basicEventFlow.json
new file mode 100644
index 0000000..3bd156d
--- /dev/null
+++ b/tutorial_data/basicEventFlow.json
@@ -0,0 +1,21 @@
+{
+  "level": "basicEventFlow",
+  "steps": [
+    {
+      "text": "Welcome! In Knative, events flow from Sources to Sinks through Brokers.",
+      "highlight": ""
+    },
+    {
+      "text": "Click this event to select it",
+      "highlight": "EventBox"
+    },
+    {
+      "text": "Now click the sink to route the event",
+      "highlight": "Sink"
+    },
+    {
+      "text": "Great! You just created a basic Knative event flow. This is like a Trigger connecting a Broker to a Sink.",
+      "highlight": ""
+    }
+  ]
+}
diff --git a/tutorial_data/boxClick.json b/tutorial_data/boxClick.json
new file mode 100644
index 0000000..cbf4a3b
--- /dev/null
+++ b/tutorial_data/boxClick.json
@@ -0,0 +1,25 @@
+{
+    "level": "boxClick",
+    "steps": [
+        {
+            "text": "Level 2: Triggers & Filters. In Knative, Triggers use filters to route events based on their attributes.",
+            "highlight": ""
+        },
+        {
+            "text": "Notice the colored events. Each has a different 'type' attribute.",
+            "highlight": "EventBox"
+        },
+        {
+            "text": "Drag a filter onto the conveyor to filter events by color",
+            "highlight": "Filter"
+        },
+        {
+            "text": "Route matching events to the correct colored sink",
+            "highlight": "Sink"
+        },
+        {
+            "text": "Perfect! Knative Triggers work the same way - filtering events by attributes like type, source, or custom fields.",
+            "highlight": ""
+        }
+    ]
+}
\ No newline at end of file
diff --git a/tutorial_data/dlqPattern.json b/tutorial_data/dlqPattern.json
new file mode 100644
index 0000000..a025cba
--- /dev/null
+++ b/tutorial_data/dlqPattern.json
@@ -0,0 +1,21 @@
+{
+    "level": "dlqPattern",
+    "steps": [
+        {
+            "text": "Level 4: Dead Letter Queue. When events fail to process, they need somewhere to go.",
+            "highlight": ""
+        },
+        {
+            "text": "Notice the blockage - events will fail here",
+            "highlight": "Blockage"
+        },
+        {
+            "text": "Click the Dead Letter Sink (DLS) to route failed events there",
+            "highlight": "DLS"
+        },
+        {
+            "text": "Perfect! In Knative, Dead Letter Sinks prevent data loss by catching failed events for debugging or retry.",
+            "highlight": ""
+        }
+    ]
+}
\ No newline at end of file
diff --git a/tutorial_data/multiSink.json b/tutorial_data/multiSink.json
new file mode 100644
index 0000000..66c5d27
--- /dev/null
+++ b/tutorial_data/multiSink.json
@@ -0,0 +1,21 @@
+{
+    "level": "multiSink",
+    "steps": [
+        {
+            "text": "Level 3: Multiple Sinks. In Knative, one Broker can route events to multiple subscribers.",
+            "highlight": ""
+        },
+        {
+            "text": "You have multiple sinks. Each needs matching events.",
+            "highlight": "Sink"
+        },
+        {
+            "text": "Use filters to route each event type to its matching sink",
+            "highlight": "Filter"
+        },
+        {
+            "text": "Excellent! This is how Knative enables fan-out patterns - one event source, multiple subscribers.",
+            "highlight": ""
+        }
+    ]
+}
\ No newline at end of file