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1: Set Up Your Sprites 1. **Create Sprites**: You need two key sprites: - A **Player Sprite** for the character that moves. - A **Signal Sprite** to display the "Red Light" and "Green Light." ### Step 2: Design the Signal Sprite 1. **Draw the Signal Sprite**: Craft a sprite that flips between two costumes—one for "Red Light" and one for "Green Light." - Label the costumes as "Red" and "Green." ### Step 3: Program the Signal Sprite 1. **Code for Light Changes**: - Select the Signal Sprite and use this code to randomly alternate the lights: ```scratch when the green flag clicked forever switch costume to [Green v] wait (4) seconds switch costume to [Red v] wait (2) seconds