New in box / Smithsonian Motor-Works 4-Cylinder Engine Model Kit (STEM) #51875. Recommended for ages 8+. Build a working model of a 4-cylinder engine with valves rock, spark plugs, fire and pistons drive crankshaft. Battery operated moving parts and lights.
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NEW / Smithsonian Motor-Works *CLEAR 4-Cylinder Engine Model Kit (STEM) 51875
Original price was: $17.48.$10.49Current price is: $10.49.
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