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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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Low Temperature Stirling Engine Kit DIY Steam Heat Engine Motor Toy - Enginediy |
$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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Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy |
$24.99 |
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$24.99 |
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Stirling Engine Generator Model DIY Assembly Kit Physical Experiment |
$34.99 |
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$34.99 |
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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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Hand Crank AC/DC Generator Electromagnetics Scientific Tool Educational Toy |
$59.99 |
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$59.99 |
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