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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy
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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy quantity
$ 20.99
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model quantity
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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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V8 Engine Model Kit that Works - Build Your Own V8 Engine - V8 Engine for Capra VS4-10
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V8 Engine Model Kit that Works - Build Your Own V8 Engine - V8 Engine for Capra VS4-10 quantity
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Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy
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Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy quantity
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