diff --git a/en/step_1.md b/en/step_1.md
index 01cc1467c..ea3f31a62 100644
--- a/en/step_1.md
+++ b/en/step_1.md
@@ -29,7 +29,7 @@ You need to supply the rocket with enough fuel to reach the satellite orbit. Try
 
 How much fuel is just enough without too much left over?
 </div>
-<iframe src="https://editor.raspberrypi.org/en/embed/viewer/rocket-launch-example" width="600" height="800" frameborder="0" marginwidth="0" marginheight="0" allowfullscreen>
+<iframe src="https://editor.raspberrypi.org/en/embed/viewer/rocket-launch-example" width="400" height="710" frameborder="0" marginwidth="0" marginheight="0" allowfullscreen>
 </iframe>
 </div>
 
diff --git a/en/step_9.md b/en/step_9.md
index 11c5c1847..37123b048 100644
--- a/en/step_9.md
+++ b/en/step_9.md
@@ -10,7 +10,7 @@ If you are following the [Introduction to Python](https://projects.raspberrypi.o
 
 --- no-print ---
 
-<iframe src="https://editor.raspberrypi.org/en/embed/viewer/fruit-face-example" width="600" height="600" frameborder="0" marginwidth="0" marginheight="0" allowfullscreen>
+<iframe src="https://editor.raspberrypi.org/en/embed/viewer/fruit-face-example" width="400" height="710" frameborder="0" marginwidth="0" marginheight="0" allowfullscreen>
 </iframe>
 
 --- /no-print ---