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×	Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model	$29.99	Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model quantity	$29.99
×	Stirling Engine Generator Model DIY Assembly Kit Physical Experiment	$34.99	Stirling Engine Generator Model DIY Assembly Kit Physical Experiment quantity	$34.99
×	Metal Steam Turbine Engine JT-II Desktop Engine Model - Enginediy	$109.99	Metal Steam Turbine Engine JT-II Desktop Engine Model - Enginediy quantity	$109.99
×	Mendocino Motor Solar Magnetic Levitation Motor Engine Science Toy	$39.99	Mendocino Motor Solar Magnetic Levitation Motor Engine Science Toy quantity	$39.99
×	DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves	$22.99	DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves quantity	$22.99

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