Let's get started by getting to know the toolkit.

• On the left side of the screen, find and click on it once. Notice the blue blocks that appear below.
• Find the block labeled Grid. Click, hold, and drag it into the black space below, then release.
• Press Run to see your changes. Look for feedback at the top of the graphics screen on the right (the stage).
• Click Submit and Next when you get a green message that tells you to move on.

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