Fire up to 5 soft foam ping-pong type balls powered by air-pump action instead of batteries. Pump the chamber until the balls “pop” and shoot up to 20 feet. Provides hours of uninterrupted fun. It’s safe…it’s exciting… and it’s great fun for kids of all ages! Shooter is made of sturdy plastic and measures 15” long when fully extended. Includes 10 soft foam balls.