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Mini Vertical Mendocino Motor Solar Magnetic Levitating Motor Engine Science Toy - Enginediy |
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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy |
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2 Cylinder Stirling Engine Electricity Generator with Bulb Stirling Engine Motor Model - Enginediy |
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Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy |
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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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$109.99 |
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STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy |
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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy |
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V8 Engine Model Kit that Works - Build Your Own V8 Engine - V8 Engine Building Kit |
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Magnetic Levitation Module DIY Maglev Furnishing Articles Kit Precise 150g DC 5V Digital Movement Module |
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