Let's add litter to the stage as long as there is still time left on the timer.

• Use if inside the event to test if the value of timer is greater than > 0.
• In the if statement, add Random Choice. Name it litter_image. Make the parameter all_litter.
• Drag Sprite at Position inside your event. Name it new_litter.
• Change the image name to the variable litter_image. change the coordinates to x, y.

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