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Steam Engine Model DIY Kit Children Steam Engine Experiment Model - Science Museum at Home |
$29.99 |
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Stark Vehicle-mounted Solar Aircraft Shape Motor Solar Toy |
$24.99 |
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Mini Singing Tesla Coil Music Kit Wireless Transmission Experiment Desktop Toy - Enginediy |
$39.99 |
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Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy - Enginediy |
$39.99 |
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Low Temperature Stirling Engine Kit DIY Steam Heat Engine Motor Toy - Enginediy |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
$27.99 |
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Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy |
$34.99 |
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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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Mini Stirling Engine Motor Model - High Performance Pocket-Sized Engine - Enginediy |
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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy |
$29.99 |
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ENJOMOR Vintage 4-Blade Heat Powered Thermal Stove Fan Stirling Engine Physics Science Experiment Toy |
$149.99 |
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$149.99 |
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Stirling Engine Kit Two Cylinder Stirling Engine with Electricity Generator Model Gift Collection |
$139.99 |
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$139.99 |
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