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Mini Stirling Engine Motor Model - High Performance Pocket-Sized Engine - Enginediy |
$39.99 |
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$39.99 |
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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy |
$20.99 |
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$20.99 |
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TECHING 160pcs DIY Build Your Robot Kit Robotic Engine Assembly Kit Educational Toy DIY Gift |
$199.99 |
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$199.99 |
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STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy |
$129.99 |
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$129.99 |
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DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves |
$22.99 |
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$22.99 |
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Stirling Engine Kit DIY Single Cylinder Stirling Engine - Ideal Engine Model Gift for Your Kids Enginediy |
$24.99 |
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$24.99 |
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Stirling Engine Kit Single Cylinder Balance Stirling Engine Model Science Experiment Set |
$39.99 |
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$39.99 |
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DIY Modified Kit with Generator Bracket Belt Pulley Belt for Toyan Engine Model |
$39.99 |
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$39.99 |
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