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Hand Crank Generator AC/DC Generator Physics Faraday Electromagnetic Teaching Instruments - Enginediy |
$119.99 |
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$119.99 |
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Mini Vertical Mendocino Motor Solar Magnetic Levitating Motor Engine Science Toy - Enginediy |
$49.99 |
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$49.99 |
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Mini Singing Tesla Coil Music Kit Wireless Transmission Experiment Desktop Toy - Enginediy |
$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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$69.98 |
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Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy |
$24.99 |
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$49.98 |
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