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For Crowd: Suitable for people over 14 years old
the exhaust valve is opened and the exhaust gas is exhausted from the exhaust pipe
the internal situation can be seen clearly
Steam Engine Model Electric Generator Science Experiment Lighting Kit
causing the film to generate potential difference from the side
STARK-41 High-speed Magnetic Levitation Motor Brushless Motor Hall Motor DIY Model S-41 Type_4 Cylinder Stirling For Crowd: Suitable for peopleDescription: Speed: 20000R Min Voltage: 12V Size: approx. 242*140*70mm Package weight: about 587g (1cm=10mm=0. 39inch) Note: The Base is transparent. It comes with kraft paper on the surface. Feature: High speed Hall sensor drive, high speed stability, long service life, high RPM. 12V power supply, can be long and stable operation, no heat. 12 level winding Increase the speed, Added glass sheets,reduce friction. It was complete kit, already finish
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