Now we need a volleyball!

• Set Gravity of the stage to 1.
• Create a Circle with a diameter of 40 pixels. Name it ball.
• Use Sprite Gravity Off to turn the gravity off for the ball.
• Use Text in Color to say "PRESS SPACE TO START" at (0, 75). Name it start_txt.

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