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Sunnytech Hot Air Stirling Engine Motor Model Educational Toy Electricity Generator Colorful LED SC SC02M

$32.40

Sunnytech Hot Air Stirling Engine Motor Model Educational Toy Electricity Generator Colorful LED SC SC02M

$32.40

Its an amazing conversation pieces on your desk decorative and impressive. It’s funny to see people’s looks and reactions when they squeeze a little shot for this Stirling engine.

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  • NOVEL DESIGNED —– This engine is a balance style different from the ordinary Stirling model. It was equipped with a multicolor LED install on the.