LED Impact Activated Bouncy Balls will have you bouncing up and down! Perfect for birthday parties, trade shows, holidays & more. Features See through rubber that shines brightly when LEDs activated To activate your LED Impact Activated Bouncy Ball Green, simply bounce it and watch it flash Specifications Color: Orange LED Colors: White Batteries: (3) AG10, Non-Replaceable Dimensions: 1.5" Diam. Printable: Yes