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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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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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V8 Electromagnetic Engine 5V 4W 8 Coils High Speed V-Shaped Automobile Engine Model for Gift Collection |
$149.99 |
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$149.99 |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
$24.99 |
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$24.99 |
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V8 Electromagnetic Motor Engine 24V DIY Runnable Generator for Science Project - Enginediy |
$239.99 |
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$239.99 |
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Stark 6 Coils Ring Accelerator Cyclotron High-tech Physics Model |
$114.99 |
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$114.99 |
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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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