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Stirling Engine Generator Model DIY Assembly Kit Physical Experiment |
$34.99 |
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$34.99 |
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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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Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy |
$34.99 |
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$34.99 |
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V8 Engine Model Kit - Build Your Own V8 Engine - Science Experiment STEM Toy - Enginediy |
$89.99 |
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$89.99 |
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Low Temperature Stirling Engine Motor Coffee Cup Stirling Engine Kit Education Toy |
$27.99 |
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$27.99 |
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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy |
$29.99 |
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$29.99 |
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