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16-Cylinder Quartz Glass Stirling Engine Model - Advanced DIY Gift for Engineers
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Mini 4-Stroke Gasoline Engine Model with Wooden Base - M16 1.6cc Vertical Air-cooled Single-cylinder
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TOYAN FS-V800 28cc Nitro V8 Engine Kit - Build Your Own High-Performance Model Engine for RC Vehicles
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Flame-Powered Vacuum Engine Model with Wooden Base for Educational Fun
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DIY Low Temperature Stirling Engine Model Kit - Fun Steam Heat Engine for Science Projects
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Mini 1.6cc Retro Water-Cooled Gas Engine Model for Collectors
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Electric Generator Steam Engine DIY Assembly Kit - Science Experiment Model
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Aviation Innovator DIY Jet Engine Model Kit - Smithsonian Jet Works Science Experience
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Stainless Steel Low Temperature Stirling Engine Model Toy for Educational Fun
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CISON FG-VT9 9cc V-Twin Dual Cylinder 4-Stroke Gasoline Engine for Motorcycle RC Models
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Creative Metal Stirling Engine Assembly Kit - Educational DIY Hot Air Model with Mini Generator
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