Toddlers will have a whacky time with this Whacky Ball game. The rolling balls hold children's attention while they develop motor skills with each whack. It comes with four brightly colored balls and a hammer that squeaks. A mirrored background adds to the action for loads of whacky fun. Hammer squeaks, wheels spin, balls bang. Includes 4 beautiful balls - whack them and watch them go. Mirrored background makes it twice as whacky. Tray catches balls and they're ready to roll again.