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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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Steam Engine Model DIY Kit Children Steam Engine Experiment Model - Science Museum at Home |
$29.99 |
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$59.98 |
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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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Teching Engine Assembly Kit Full Metal Galileo Pendulum Clock Engine Building Kit Toy Gift |
$139.99 |
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$139.99 |
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ENJOMOR Vintage 4-Blade Heat Powered Thermal Stove Fan Stirling Engine Physics Science Experiment Toy |
$149.99 |
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$149.99 |
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3D Puzzle Model Kit Mechanical Bull Metal Games DIY Assembly Jigsaw Crafts Creative Gift - 1087PCS |
$129.99 |
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$129.99 |
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