Stirling Engine Kit The Love of Arrow Shape Thermoacoustic Motor External Combustion Engine Features: With fine workmanship, selected metal integ...
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V4 Car Engine Model Full Metal Assembling Four-cylinder Building Kits for Researching Industry Studying/Toy/Gift Shipping Notice: this engine is...
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Teching V8 Mechanical Metal Assembly DIY Car Engine Model Kit 500+Pcs Educational Experiment Toy Shipping Note: this engine is in stock now. All...
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Mechanical Music Box Powered Stirling Engine Model ToyFeatures:.Novel Design: This Stirling engine model is perfectly combined with a mechanical ...
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Assembly Metal Solid Wood 3D Dynamic Delicate Mechanical Mystery Aircraft Model Kit for Adult Features: Made of high-quality brass and walnut woo...
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3D Stainless Steel Insects Puzzle Model Kit DIY Sound Control Mechanical Wasp Assembly Jigsaw CraftsFeatures: Using high-quality metal materials,...
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