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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy |
$20.99 |
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$20.99 |
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Teching Engine Assembly Kit Full Metal Galileo Pendulum Clock Engine Building Kit Toy Gift |
$139.99 |
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$139.99 |
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Stark Tesla's Egg of Columbus AC Motor Tesla Coil Motor Science Motor Model |
$149.99 |
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$149.99 |
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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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