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Popular Mechanics for Kids Motor-works
Product description This excellent creative toy is a complete working model of an internal combustion engine. Comes complete with fan and fan belt, oil pan, dipstick, and many other details, but the main attraction is the four working pistons that are visible through the transparent engine casing. There are even flashing spark plugs. The whole engine is 8 inches high on the included stand and 8 inches long by 3.5 inches wide. The extensive instructions will teach you the difference between a camshaft and a crankshaft (among many other things)--and they include a detailed explanation of how a real internal combustion engine works. Screwdriver and battery pack (but not batteries) included. Warning buy your kid this toy, and by next week he or she will be

Price is $110.00
Price: $109.99