Now you can generate the fuel of the future and launch a rocket into orbit! The Estes hydrogen fuel technology uses water to generate the hydrogen fuel needed to blast a sleek rocket 200 feet into the sky. This set comes complete with a hydrogen fuel generating launch system, a four-point system check, a remote push-button ignition, propellant crystals, mixing bottle and two ready to fly rockets. Minor assembly acquired. Requires Six (6) "D" size alkaline batteries (not included.) Recommended for ages 10 and up with adult supervision for those under 12. Launch Platform: 20.5" (52 cm); Helicopter Rocket: 11" (28 cm); Bounce Rocket: 11" (28 cm); Recovery: Helicopter and bounce; Fins: Plastic and foam; Maximum Altitude: 200' (61 M.) 1 Each Hydrogen Fuel Rocket TAM1876$49.99 Copyright © 2003-2008 E-Clec-Tech. All rights reserved. All other materials and logos are copyrighted by their respective owners, or companies.