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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy |
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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy |
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DIY Acoustic Levitation Electronics Makes Learning Kits for Science and Small Experimental Standing Waves |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
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Holt H76 Tractor Engine 5CC Horizontal Twin-cylinder Overhead Valve Dual Flywheel Gasoline Engine IHC Engine IC Engine Model |
$879.99 |
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TECHING Retro Tractor Metal RC Tractor Assembled Model Gift Collection - Used (Assembled Version) Like New |
$119.99 |
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$119.99 |
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LSU4.9 Mini Portable Carburetor Adjustment Gear Air Fuel Ratio Display Instrument Air-Fuel Ratio Analyzer Oxygen Sensor |
$229.99 |
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$229.99 |
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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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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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STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy |
$129.99 |
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$129.99 |
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6 Cylinder Stirling Engine Novel Gatling Blaster Design Engine Motor Model - Enginediy |
$179.99 |
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$179.99 |
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