Bounce has electronic voice commands to prompt you through 6 slammin' skill games. Max Bounce: You have only 30 seconds to bounce your fastest. Infinite Bounce: Keep the ball bouncing until you can bounce no more. Hang time: Catch as much air as you can in 5 bounces. Right height: The game calls the shots - hit it high or hit it low. Little-Middle-Big:Hit it high...hit it low...then hit it in the middle. Free form: Bounce it freestyle - that's any way you like. Bop it. Bounce comes with an electronic game unit, a ball, and instructions. Requires 3 'AAA' batteries (not included).