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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
The low-voltage power supply ensures safety and the effect is good
and disassembled
multiple shock-absorbing mounting options
Stroke: 31mm
All the order will be sent within 1 day after the order is placed
Smithsonian DIY L4 4 Cylinder Inline 4 Car Engine Assembly Model Kit STEM Science Toy Blue Type_Balance Stirling The low-voltage power supply ensuresSmithsonian DIY L4 4 Cylinder Inline 4 Car Engine Assembly Model Kit STEM Science Toy BlueFeatures:. Build your own car engine with a number of parts, which will be unprecedented stimulation and challenge. Switch on the assembled engine and the engine will turn. The valve opens and closes, the spark plug lights up, the piston drives the crankshaft, and the fan structure rotates. The dynamic components in this kit make the experiment real and
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