Haynes Build Your Own Internal Combustion Engine
For the budding mechanic. Learn to construct a fully working model of a car engine with ignition sound and light up spark plugs. This fun and challenging model is endorsed by Hayes (World’s number one publisher of Car Repair Manuals). Kit contains all the tools you need and over 100 detailed and precise parts. Includes electric motor and instructions. Requires two AA batteries (not included). For ages 12 and up.