This is the Air Commander Rocket Kit from Estes®. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. Skill Level 2 Rocket Kit. FEATURES: Soars up to 2250ft (686m) Powered by C11 and D engines Can be flown as a single state or 2-stage Laser cut fins Waterslide decals 18" parachute recovery One year warranty Detailed illustrated assembly and launching instructions INCLUDES: One model rocket REQUIRES: Assembly White or yellow glue Finishing supplies Igniters (ESTT2301) Recovery wadding (ESTT2274) Launch controller (ESTT2220) Porta-Pad II launch pad (ESTT2215) Fin alignment guide (ESTT2231) - optional Engines: C11-0 (ESTT1621) & C11-5 (ESTT1623) - first flight or C11-0 (ESTT1621) & D12-5 (ESTT1667) or C11-0 (ESTT1621) & D12-7 (ESTT1668) or D12-0 (ESTT1665) & C11-5 (ESTT1623) or D12-0 (ESTT1665) & C11-7 (ESTT1624) or D12-0 (ESTT1665) & D12-7 (ESTT1668) or D12-0 (ESTT1665) & D12-5 (ESTT1667) Single Stage C11-3 (ESTT1622) - first flight or D12-5 (ESTT1667) or D12-7 (ESTT1668) 4 AA batteries (FUGP4304) - for launch controller Paint SPECS: Skill level: 2 Length: 32.5" (82.5cm) Diameter: 1.33" (34mm) Weight: 3.8oz (107.7g) Recovery System: 18" parachute Projected Altitude: 2250ft (686m) COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger For your safety and enjoyment, always follow the NAR Model Rocketry Safety Code while participating in any model rocketry activities tlc 7/15/11