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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
$27.99 |
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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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Microcosm M89 Mini Steam Boiler Steam Engine Model Gift Collection DIY Stirling Engine - Enginediy |
$129.99 |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
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Labs Demonstration Motor Generator Activity Model AC/DC Generator Demo Kit for Student |
$119.99 |
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model |
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enjomor diy assembly steam engine kit retro vertical with spherical boiler diy kit |
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2 Cylinder Stirling Engine Electricity Generator with Bulb Stirling Engine Motor Model - Enginediy |
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Steam Engine Model DIY Kit Children Steam Engine Experiment Model - Science Museum at Home |
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Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy - Enginediy |
$39.99 |
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Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy |
$37.99 |
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Mini Vertical Mendocino Motor Solar Magnetic Levitating Motor Engine Science Toy - Enginediy |
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Low Temperature Stirling Engine Kit DIY Steam Heat Engine Motor Toy - Enginediy |
$34.99 |
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Marx Generator Kit 10 Stage High Voltage DIY Lightning Experiment Educational Model - Enginediy |
$139.99 |
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