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The Smithsonian Motor Works is a classic model kit that's still enriching the lives of children today. The clear plastic engine block lets you see everything inside as if you had X-ray vision! Everything moves just like in a real 4-cylinder engine: sparkplugs light up in the correct sequence, the cam and crankshaft turn, rocker arms rock and valves open and close when they should. It's a fun, safe way to learn how a real engine works. It comes with detailed instructions and a screwdriver, and has over 100 moving parts. Ages 8 and up. Runs on two "AA" size batteries (not included). Weight: 1.3 lbs. Size: 10" W x 8" H x 5.3" D.
Note: Refunds on unopened kits only.
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