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Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy - Enginediy |
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Hall Effect Sensor 3 Coil Magnetic Levitation Motor Brushless Motor Science Toy Gift |
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Magnetic Levitation Motor 20000RPM High-speed Hall Effect Sensor Brushless Motor Science Toy - Enginediy |
$61.21 |
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$61.21 |
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Hot Air Stirling Engine External Combustion Engine Motor Model Education Toy Electricity Power - Enginediy |
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Full Metal Stirling Engine Generator Model Stem Engine Educational Toy |
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Mini Hot Air Stirling Engine Motor Model External Combustion Engine Educational Toy Kit |
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Metal Single Cylinder Stirling Engine Mini Generator Model with Base Physical Experiment Toy Creative Gift |
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$56.06 |
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Mini Vertical Mendocino Motor Solar Magnetic Levitating Motor Engine Science Toy - Enginediy |
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ENJOMOR Single Cylinder Stirling Engine Model - STEM Toy |
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Balance Stirling Engine Model External Combustion Engine with Wood Base for Gift Collection |
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Mini Stirling Engine Kit High Speed Free Piston Stirling Engine Pocket-Sized Engine Model Enginediy |
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