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Smithsonian Motor-Works
Smithsonian Motor-Works
Item: 7409
UPC: 042409490136
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Build a working model of a 4-cylinder engine, then hook up the cables to a battery box and watch the engine begin to turn. Watch the valves rock, spark plugs "fire" and pistons drive the crankshaft! Features battery-operated moving parts and lights. A STEM poster explains how internal combustion gasoline engines operate and illustrates the four cycles – intake, compression, power, and exhaust.
- Build a working model of a 4-cylinder engine.
- Valves rock, spark plugs "fire", and pistons drive the crankshaft.
- Features battery-operated moving parts and lights.
- Requires two (1.5V) "AA" batteries and a screwdriver (not included)
- Ages 8+
![Smithsonian Motor-Works](http://www.toysmithtoys.com/cdn/shop/files/7409_Smithsonian_Motor_Works_1.jpg?v=1724966639&width=1445)
![Smithsonian Motor-Works](http://www.toysmithtoys.com/cdn/shop/files/7409_Smithsonian_Motor_Works_2.jpg?v=1724966644&width=1445)