Transcript

Instructions

  1. Program the backdrop to change.
  2. Make the backdrop change a specific number of times.
  3. Wait between backdrop changes.
  4. Start the program when the flag is clicked.

Hint: If the backdrop stops on "Lightning Flash", click the "next backdrop" block, or select "Night Sky" from the backdrops tab.
namespaces/google.engedu.csfirst/contents/Activity-274416231641135822137995919627080814604en