Features: Uncover the wonders of thermodynamics with this exquisite model of an engine, powered by temperature differences. Crafted with good quality materials, this engine model boasts a stable and durable structure, making it perfect for educational and scientific experiments. Designed for teachers, students, science enthusiasts, and DIY lovers, this engine model caters to those interested in understanding thermodynamics. Whether used as a teaching aid in classrooms or as a scientific experiment device, this engine model provides an intuitive understanding of the principles of thermodynamics. Immerse yourself in the world of thermodynamics with this captivating model of an engine, offering a hands on experience like never before. Specifications: Material: Metal Color: As The Picture Shows Package Weight: approx.350g Size: approx.100x100x100mm/3.93x3.93x3.93in (More Size Detail, Please See Photo.) Package Includes: 1Pc Stirling Engine Model note: Please allow 1-3mm 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!