Build a fully functional, motorized model of a V-Twin motorcycle engine. The engine is designed in a 90 degree "V" configuration, with simulated chain driven overhead camshafts, working valves and illuminating spark plugs. It features plated exhausts, engine covers, and air filter cover, and plays an engine sound while the model operates. Contains nearly 100 pieces and everything you need to assemble the model. Comes with a Haynes style manual giving you step by step instruction as well as interesting information about V-Twin engines.Requires 3 AA batteries (not included).Contents include: Over 150 parts to build a Motorcycle Engine Kit, instruction manual, step-by-step diagrams, tools. Requires 3 AA batteries (not included).For 1 or more playersAges 14 and upMade in ChinaBrand new condition in original packagingWipe clean with dry or damp clothWarning: Choking Hazard - Contains small parts not suitable for children under 3 years.