Argent low temperature Stirling engine model that combines educational function and elegant display. Compact and robust, this model demonstrates basic thermodynamic and mechanical principles while serving as an eyecatching desktop piece. Key benefits Handson learning tool: Visualizes heatdriven piston motion and basic Stirling cycle behavior, useful for physics classrooms and selfguided study. Durable construction: Built from aluminum alloy, stainless steel, acrylic, and glass for stable operation and longlasting appearance. Compact and spacesaving: At 7.5 cm diameter by 10 cm height, it fits easily on a desk, shelf, or laboratory bench. Ready to display and demonstrate: Supplied as a complete model, packaged to arrive in good condition. Features and specifications Product type: Low temperature Stirling engine model suitable for education, demonstration, or decorative use. Materials: Aluminum alloy, acrylic, stainless steel, glass. Size: Diameter 7.5 cm x Height 10 cm (2.95 inch x 3.94 inch). Allow slight measurement variation of 1 to 2 cm due to manual measurement. Package contents: 1x Stirling engine model. Performance and operation Designed to run from small temperature differences, allowing visible motion without temperature sources. Its mechanism demonstrates conversion of thermal change into rotary motion for clear observation of mechanical principles. Transparent and metallic components give a clear view of internal motion while providing structural stability for repeated demonstrations. Use scenarios Classroom demonstration: Use during physics lessons to illustrate thermodynamic cycles, heat transfer, and piston motion in an engaging, handson way. Office or home display: Place on a desk or shelf as a functional conversation piece that shows moving parts driven by a small heat source. Gift for students and hobbyists: A detailed mechanical model suitable for engineering students, model collectors, and anyone interested in mechanical devices. Additional notes Carefully packaged to protect the model during . Minor size variation may occur from manual measurement.