Check the listing for details. Estes Flying Model Rocket Kit Crossfire EST 7220. Condition: New. Listed at 14.99 USD. Estes Crossfire ISX 7220 A great beginner kit that is hot in looks. Previously sold in the 1469 Tandem-X Launch Set, you can now purchase one of our most requested rockets by itself. Powered by standard engines, this awesome rocket can go upwards of 1100 feet. Now that is high! Skill Level 1 - Crossfire ISX Length: 15.6 in. (39.6 cm) Diameter: .98 in. (25 mm) Estimated Weight: 1.3 oz. (37 g) Laser cut Wood Fins, Self-stick Decals, 12 in. (30.5 cm) Parachute Recovery Recommended Engines: A8-3 (First Flight), B4-4, B6-4, C6-5, C6-7 Projected Max Altitude: 1150 ft. (350 m) Model Rocket Kits are rated by Skill Level1 Beginner2 Intermediate3 Advanced4 Expert5 MasterIf you are just starting in the hobby start at the beginner level and move up from there at your own pace. What is needed to build and flyAll model rockets come in kit form that require assembly. The materials are primarily cardboard tubes, balsa or plastic fins and nose cone. Materials will vary by model and are typically specified in the description of each kit. Additional supplies will be necessary to build and finish your model rocket kit and may include:Scissors, Hobby KnifeRulerWood Glue, Model Cement or CA(Super Glue)SandpaperMasking TapeFinishing Supplies like:Wood FillerSealer/PrimerPaint Launching Equipment and Supplies like:Recovery waddingLaunch PadLaunch ControllerPower supplyModel Rocket Motors and IgnitersA safe place to fly using guidelines from the National Association of Rocketry Safety Code