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V4 Car Engine Model Full Metal Assembling Four-cylinder Building Kits for Researching Industry Studying/Toy/Gift

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$469.99
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stirlingkit

16 Cylinder Stirling Engine Model Creative Motor Engine Generator Toy Engine

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$249.99
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stirlingkit

STEM Gatling 6 Cylinder Stirling Engine Model External Combustion Engine

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$189.99
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$189.99
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stirlingkit

Teching Galileo Pendulum Clock Full Aluminum Alloy Stirling Engine Model

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$139.99
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$139.99
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stirlingkit

Car Engine Model All-metal Mini Manual Assembly V2 Double-cylinder Toy Collection Decoration

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$399.99
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$399.99
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stirlingkit

Teching Engine Steam Train Model With Pathway Full Aluminum Alloy Model Gift Collection STEM Toys

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$439.99
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$439.99
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