Build a fully functional, motorised model of a V-Twin motorcycle engine. Features sound recorded from a real engine, plated exhausts, air filter cover and engine side covers to give the finished model a customized look. The see-through cylinders and illuminating spark plugs allow you to see how each part of the engine works. Contains more than 150 pieces and all that you need to assemble the model. Comes with a Haynes style manual giving you step by step instructions as well as interesting information about V-Twin engines.