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Stirling Engine Kit Single Cylinder Balance Stirling Engine Model Science Experiment Set are powered by gases that expand when heated and contract ...

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γ-Type Single-cylinder Stirling Engine Generator Model Science Experiment Educational Toy with LED Diode and Bulb - GoldenFeatures:Stirling Engine:...

Key Points: 1, Beautiful appearance, V-shaped new style. High quality, brass cylinder, pure metal base plate, stable and strong. The hot cylinder i...

Specular Highlight Squirrel Shaped Hot Air Stirling Engine Generator Engine Model Educational Toy with LED Features:   .Stirling Engine: It featur...