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Teching Engine Assembly Kit Full Metal Galileo Pendulum Clock Engine Building Kit Toy Gift |
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Mini Vertical Mendocino Motor Solar Magnetic Levitating Motor Engine Science Toy - Enginediy |
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ENJOMOR Gamma Hot Air Stirling Engine External Combustion Engine Model with LED Light |
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Stirling Engine Kit Tractor Vacuum Engine Motor Model for Gift Collection - Enginediy |
$199.99 |
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Stirling Engine Kit Tractor Design Vacuum Engine Motor Model Science Education Toy Gift - Enginediy |
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Hand Crank Generator AC/DC Generator Physics Faraday Electromagnetic Teaching Instruments - Enginediy |
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Stark Tesla's Egg of Columbus AC Motor Tesla Coil Motor Science Motor Model |
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enjomor diy assembly steam engine kit retro vertical with spherical boiler diy kit |
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Marx Generator Kit 10 Stage High Voltage DIY Lightning Experiment Educational Model - Enginediy |
$139.99 |
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$139.99 |
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