Features: The Stirling Engine Generator demonstrates efficient thermal to mechanical energy conversion, offering a physics experiment tool for classrooms and science education to visualize thermodynamic principles. Built with robust construction, this steam powered model ensures stable operations and safety during experiments, featuring simplified assembly for immediate educational demonstrations. Suitable for school laboratories, science fairs, and home based learning environments, this device bridges theoretical concepts with practical applications in thermodynamics. Ideal for educators, STEM students, and science enthusiasts, it serves as engaging resource to explore energy transformation concepts in physics curricula or hobbyist projects. Its fuels frees design promotes learning by simulating green energy solution, encouraging critical thinking about sustainable technology development. Specifications: Materials: Metal Color: As The Picture Shows Package Weight: approx.650g Size: approx.15x8.7cm/5.90x3.42in Package Includes: 1Pc Stirling Engine Generator note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!