Check the listing for details. Odd'l Rockets Flying Model Rocket Kit Sputnik ODD 401. Condition: New. Listed at 8.99 USD. Odd'l Rockets Flying Model Rocket Kit Sputnik Odd'l Rockets' version of the classic "Odd-Ball" model rocket features a three-inch foam ball which is pre-drilled for the motor mount, central launch lug, and "antenna" fins. The Sputnik is easy to build and easy to fly! Diameter: 3.0" Fin Span: 7.5" Length: 13.0" Recommended Motors: A10‑3T Recovery: Featherweight/Tumble Skill Level: 1 Weight: 0.3ozModel Rocket Kits are rated by Skill LevelE2X Easy to Assemble1 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/PrimerPaintLaunching 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