- Inspire hours of fun with these bouncing balls. Each ball has water inside along with iridescent glitter pieces a battery and a picture of a butterfly. Slip them into party favor bags or add them to a prize or rewards bin. All you have to do is bounce it to get the flashing motion to activate. Rubber. 2 (51mm) Includes batteries
Simply bounce these balls to activate the flashing and light-up motion. Perfect for prizes and rewards
