Let's start by adding a background to the stage!

• On the left side of the screen, find and click on it once. Notice the blue blocks that appear below.
• Find the block labeled Subway. Click, hold, and drag it into the black space below, then release.

Now, you can change the background to any one that you want!

• Click Run to see the change you've made appear on the stage. Click Submit and Next to move on.

To navigate the page using the TAB key, first press ESC to exit the code editor.