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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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Mendocino Motor Solar Magnetic Levitation Motor Engine Science Toy |
$39.99 |
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$39.99 |
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Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy |
$34.99 |
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$34.99 |
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TOYAN X-POWER Sand Cruiser 1:8 RC Off-road 4WD Car Vehicle Crawler Kit |
$1,799.99 |
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$1,799.99 |
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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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