EST2456 Loadster Model Rocket Kit by Estes In a hurry with no time to build or are you just looking for another great flying, high performance rocket to add to your collection? New to the Estes line are four fully assembled, great looking and high-flying model rockets. The Ex-200, Athena, SkyTrax and Loadstar all fly on mini or standard Estes engines and give hours of flying enjoyment. Rockets range in height from 13.75 inches to 22.5 inches, can reach cloud-busting heights of 1100 feet and are easily recovered with 12 inch, brightly colored, fully assembled parachutes. Each ready-to-fly rocket is sold separately and requires a launch system, also sold separately. Technical Specifications Skill Level RTF Length: 22.5 in. (57.1 cm), Diameter: 1.34 in. (34 mm), Weight: 2.4 oz. (68 g), Recovery: 12 in. (30 cm) Parachute Recommended Engines: B4-4, B6-4, C6-5 Max Altitude: 700 ft. (213 m) Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly. Tools, construction and finishing supplies sold separately. In order to launch, a launch system, model rocket engines, igniters and recovery wadding are required - sold separately-unless otherwise specified.