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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy |
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Microcosm M89 Mini Steam Boiler Steam Engine Model Gift Collection DIY Stirling Engine - Enginediy |
$129.99 |
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Mini Singing Tesla Coil Music Kit Wireless Transmission Experiment Desktop Toy - Enginediy |
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Stirling Engine Kit Unassembled Engine Kit Electricity Generator with 4 LED Light - Perfect Gift Choice |
$49.99 |
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$49.99 |
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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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Mini Hot Air Stirling Engine Single Cylinder Engine Motor Model STEM Educational Toy - Enginediy |
$20.99 |
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$20.99 |
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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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