Estes Flying Model Rocket Kit Pro Series Mammoth 9708 This is the Estes Mammoth Pro Series II E2X Model Rocket Kit. This model rocket is suitable for ages ten and older, with adult supervision. Includes: One Estes Mammoth Pro Series II E2X Model Rocket KitRequires: AssemblyWhite or yellow glueFinishing suppliesIgniters (EST2301)Recovery wadding (EST2274)E launch controller (EST2230)Porta-Pad E launch pad (EST2238)Engines: E16-6 or E16-8 or F15-6 - first flight or F15-84