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Stirling Engine Generator Model DIY Assembly Kit Physical Experiment |
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Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy - Enginediy |
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Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy |
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V8 Engine Model Kit - Build Your Own V8 Engine - Science Experiment STEM Toy - Enginediy |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
$27.99 |
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$55.98 |
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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy |
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Mini Stirling Engine Motor Model - High Performance Pocket-Sized Engine - Enginediy |
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Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy |
$37.99 |
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