This is the Mini Engine Launch System from Estes. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12.FEATURES: Mini launch rod Use only to launch mini engine powered rockets only One year warranty Instructions and safety code includedINCLUDES: One launch base One launch controller (ESTT2220) One safety key One 15ft. (4.6m) launch cableREQUIRES: Assembly 4 AA batteries (ASCP0302) - for controllerCOMMENTS: 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 6/17/11 updated tlc 10/25/12