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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
Accessories: a set of pressure springs and pressure devices
heat head cap
If you want to improve the effect
✔ ALL THE TOOLS THEY NEED TO SUCCEED: Your child will have a great time constructing this comprehensive model engine toy
Package Weight: 800g
Low Temperature Difference Stirling Engine Black Magnetic Coffee Stirling Toy Gift Decor Collection RC Car_HSP Accessories: a set of pressureLow Temperature Difference Black Magnetic Stirling Engine Toy Gift Decor Collection Features: EASY TO PLAY: this engine is powered by the temperature differential between top and bottom panels. Just take it out of the box and put it atop a mug of hot water, wait for seconds, then give the flywheel a gentle push in one direction and you're up and running! With substantial temperature supply it will keep rotating for days like Forrest Gump! The
