Stark Hall Sensor Brushless Motor Electric Machine Fan Blade High Speed DIY Physical Model Science Toy Type_4 Cylinder Stirling a well-designed and crafted mechanical

a well-designed and crafted mechanical toy suitable for people of all ages from all works of life

anti explosion and leak proof

leaving 1/3 of the boiler space to produce steam

directly pressurized steam engine

Simple and Fun to Operate: Connect the boiler(not included)

Stark Hall Sensor Brushless Motor Electric Machine Fan Blade High Speed DIY Physical Model Science Toy Type_4 Cylinder Stirling a well-designed and crafted mechanicalDescription: Brand: Stark Name: Brushlees Hall Motor Model Power: 6W Working Voltage: 12V Dimension: 155x125x150mm Material: Fan Blade, Acrylic, High Speed Hall Sensor, Coil Speed: 2000 3000r min Hall Motor Advantages: Brushless Motor, Not Easy to Wear, Transparent Structure, Long Service Life Features: 1. Using hall sensor, transparent visual structure. 2. Multi coil design, stronger magnetic field, higher speed. 3. Laser cutting acrylic material, no