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Stirling Engine Kit Double-Cylinder Stirling Engine Generator Electricity with Colorful LED Lights |
$34.99 |
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$34.99 |
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Steam Engine Model DIY Kit Children Steam Engine Experiment Model - Science Museum at Home |
$29.99 |
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$29.99 |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
$27.99 |
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$55.98 |
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model |
$29.99 |
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$29.99 |
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Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy |
$24.99 |
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$24.99 |
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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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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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2 Cylinder Stirling Engine Electricity Generator with Bulb Stirling Engine Motor Model - Enginediy |
$429.22 |
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$429.22 |
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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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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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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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