Features: Discover the wonders of physics with this quality Stirling Engine Experiment Model. Perfect for science enthusiasts and educational purposes. Portable and easy to operate, this Stirling Engine Model is designed for long lasting use. Made from durable metal materials. Suitable for both kids and adults, this Stirling Engine Model sparks curiosity and enhances understanding of physical and mechanical concepts. Whether used for classroom demonstrations or as a unique gift, this Stirling Engine Model is a versatile tool for teachers and an exciting toy for children. Unleash your creativity with this imaginative toy. With its exquisite craftsmanship and strong power, it is a perfect gift for science enthusiasts and collectors. Specifications: Material: metal Package Includes: 1xStirling Engine Model note: Please allow 1 to 3cm 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.