Follow the instructions on the comment in the scripts area for each cat sprite. Size Challenge: Whenever you press the B key, a sprite gets a little bigger. Whenever you press the S key, the sprite gets a little smaller. Sound Challenge: Whenever the sprite hears a loud sound, it changes color. Up Challenge: Whenever the sprite is in the top 25% of the screen, it says “I like it up here.” High Note Challenge: When the sprite touches something blue, it plays a high note. When the sprite touches something red, it plays a low note. Collision Challenge: Whenever two sprites collide, one of them says: “Excuse me.” Dog Challenge: Whenever the cat sprite gets near the dog sprite, the cat turns and runs away from the dog. Flower Challenge: Whenever you click on the background, a flower appears at that spot. Dance Challenge: Whenever you click on a sprite, all other sprites do a dance. Gravity Challenge: A sprite falls as if controlled by gravity, but stops when it hits the green ground. Mouse Challenge: A sprite follows the mouse-pointer, but it never gets too close to the mouse-pointer. Red Line Challenge: A sprite follows a red line.