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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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Marx Generator Kit 10 Stage High Voltage DIY Lightning Experiment Educational Model - Enginediy |
$139.99 |
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$139.99 |
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TOYAN Methanol / Gasoline General Engine Model DIY Micro Water-cooled Generator Set (with Water Pump / Radiator Water Tank / Thermometer) |
$599.99 |
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$599.99 |
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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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TOYAN & HOWIN V8 Engine FS-V800G 1/10 28cc Gasoline Engine with Distributor Starter Kit - Build Your Own V8 Engine |
$1,999.99 |
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$1,999.99 |
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Hot Echo Type Single Cylinder Quartz Heating Tube Stirling Engine Model |
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$29.99 |
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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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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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