★ Wide Application: The stirling engine has a wide range of applications for children's science projects, physical/mechanical learning, teacher demonstration props, birthday gifts for friends, family, children, etc.
★ Great Classroom Teaching Accossary: Can be used for classroom teaching, more intuitive and easy to understand, let students interested in physics.
★ Easy to Operate: Simple structure and easy operation. You can play your creativity, DIY boat model, car models, small fans and so on.
★ Working Principle: The piston moves by air expansion as a medium, the expansion gas is cooled in the cold chamber, and the cycle is repeated.
★ Quality Assurance: All of the product are strictly inspected before shipment, so please purchase with confidence. Please contact us if there is a defective product.