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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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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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Starting Motor with 12 Pinion Gear for Cison Inline Four-cylinder Engine Models |
$12.99 |
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$12.99 |
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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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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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