KEEP THE FUN FLYING: Maintain the thrill with Stomp Rocket’s Ultra Refill. Replace lost or damaged rockets and keep the good times rolling with friends and family! Includes 2 Ultra rockets. Recommended for ages 5 and up. LAUNCHES UP TO 200 FEET: With the help of your stomps, Stomp Rockets can launch up to 200 feet into the air. That’s almost 20 stories high! Soar into the sky at the park, the beach, the playground, or anywhere else you want to stomp. COMPATIBLE LAUNCH STANDS: These Ultra rocket refills are compatible with our Jr., Ultra, Ultra LED, Stunt Planes, Space Collection, Stomp & Catch and Dueling launch stands. Please note they are not compatible with our X-Treme launch stand. EASY TO ASSEMBLE: Ultra rockets are 100% kid powered – that means there are no batteries required and no cords or plugs to fumble with. Stomp Rockets are made of strong, kid-safe plastic and foam tip. THE ORIGINAL FOAM TOY ROCKET LAUNCHER: For 30 years, Stomp Rocket has been entertaining kids around the world through fun, active play and STEM learning opportunities. Happy Stomping!