Suction Fire Type Stirling Engine High-end Professional Edition Pure Copper Air Cylinder Heat Energy Model Physics Science Experiment Toy Feature...
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Two-cylinder Flame Licker Stirling Engine Brass Vacuum Engine Model Features: What's Flame Licker Engine? A flame-licker engine (also called vacuu...
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V Shape Suction Type Double-cylinder Stirling Vacuum Engine Model High-end Creative Gifts for CollectionFeatures:.100% brand new with high quality...
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Stirling Engine Kit All-metal Vacuum Motor Model Kit Engine Motor Educational Toys Features:.100% brand new with high quality.The baseplate is ma...
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V-shape Four-cylinder Vacuum Suction Engine Model Toy for Developing IntelligenceFeatures:.100% brand new with high quality.The V-shaped four-cyli...
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Vacuum Flame Licker Stirling Engine Model Toy with Brass Cylinder PistonFeatures:How Vacuum Flame Licker Stirling Engine Work? A vacuum engine (al...
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Flame Flicker Stirling Engine Kit V1-45 Engine Model Educational Collection Gift Features:.New and brand new design of 2017, v1 single cylinder 45...
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Features:.How to use: Put the engine model on the horizontal and inject alcohol into the alcohol lamp. Under the premise of ensuring safety, lit th...
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