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V8 Engine Model Kit that Works - Build Your Own V8 Engine - V8 Engine Building Kit |
$149.99 |
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$149.99 |
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Capo JKMAX 1/10 All Metal DIY RC Simulated Crawler Car Off-road Vehicle Model - KIT Version (No Electronic Devices) |
$1,999.99 |
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$1,999.99 |
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Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy - Enginediy |
$39.99 |
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$39.99 |
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Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy |
$24.99 |
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$24.99 |
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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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Upgrade Sealed Gearbox with Pulley Modify Kit for Toyan Engine in RC Car |
$105.99 |
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$105.99 |
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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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Twin Cylinder Motor Solar Electromagnetic Engine Model Experimental Creative Gifts Toy |
$69.99 |
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$69.99 |
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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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enjomor diy assembly steam engine kit retro vertical with spherical boiler diy kit |
$129.99 |
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$129.99 |
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Stirling Engine Generator Model DIY Assembly Kit Physical Experiment |
$34.99 |
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$34.99 |
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