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Labs Demonstration Motor Generator Activity Model AC/DC Generator Demo Kit for Student |
$119.99 |
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$119.99 |
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Magnetic Levitation Module DIY Maglev Furnishing Articles Kit Precise 150g DC 5V Digital Movement Module |
$49.99 |
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$49.99 |
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Stirling Engine Kit DIY Single Cylinder Stirling Engine - Ideal Engine Model Gift for Your Kids Enginediy |
$24.99 |
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$24.99 |
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model |
$29.99 |
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$29.99 |
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