100% kid-powered™. No batteries required. Super easy, fast assembly. Includes 6 Super High Performance Stomp Rockets, Launch Stand, Launch Pad with Air Hose. Foam-tipped rockets fly up to 400 feet in the air. Fun for solo play or take turns with 2-3 kids. Run, Jump, AND STOMP to launch these high-performing rockets up to 400 feet in the air.