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  • Build a Working Model of a 4-Cylinder Engine
  • Valves Rock, Spark Plugs Fire, and Pistons Drive Crankshaft
  • Battery Operated Moving Parts and Lights
  • Includes 35" x 23" 9 89 cm x 57 cm) Colored Poster
  • Age 8 and Up

Dimensions: 15 x 3 x 12 inches

Are your kids ready for a challenge beyond snapping together a see-through model of the human body Here you go! Let them immerse themselves in a world of adventure and discovery as they build a real battery-powered 4-cylinder model engine, piece by piece. When they are done, they'll have a model adorned with moving parts, lights and realistic engine sounds. Valves open and close, spark plugs fire and pistons drive the crankshaft, just like a real internal combustion engine. Battery Type: AA, Pieces (qty.): 100, Batteries Required: Yes, Solar Power Compatible: No, Product Style: Model kit