Jump rocket deluxe set 6 rockets from the geospace range can reach the height of a 20 story building or more thats the power of compressed air made by simply stepping onto the hemisphere shaped air pump slide the safe foam jump rocket onto its launch tube and aim the awesome pivoting launch base toward your target then leap onto the pump or just stomp it with your foot and behold a flight of up to 300 feet in distance it couldnt be any easier simpler or more fun