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the alloy grab ball head can grab stones
let the rotor move
Teflon silver-plated wire
The product is easy to install and has been debugged
3: The alcohol lamp filled to two-thirds of the following
DIY γ-shape Assembly Retro Stirling Engine Kit Generator Sterling Model with LED Light Science Educational Toy RC Car_TFL the alloy grab ball headDIY shape Assembly Retro Stirling Engine Kit Generator Sterling Model with LED Light Science Educational ToyFeatures:. Exquisite Stirling Engine: The Stirling engine is simple and elegant, with a retro and exquisite appearance, with a small generator, LED light emitting diodes and light strings, and can DIY various lighting shapes, and the machine can emit brilliant lights when it is running.. Exquisite Workmanship: Wooden bottom plate, dollar
US$ 225.13
US$ 15.00
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US$ 40.92
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