NSI Smithsonian Motor Works | |||||||||
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Product Description
NSI Smithsonian Motor Works... [Read more]
Features
- Learn how a real engine works
- A real working battery powered 4-cylinder model engine with real lights and sounds
- Watch the spark plugs fire and the valves open and close
- Includes lights and sounds.
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Details were last updated on Jun 17, 2025 20:10 +08.
