Through hands-on, you can observe the whole process of the Stirling engine, understand the working principle of the Stirling engine more intuitively, and deepen students ' interest in physics It has a wide range of applications, such as children ' s science projects, physics / mechanical learning, classroom demonstration props for teachers,, family members, parents, children ' s birthday gifts The engine model is stainless steel and elegant craftsmanship, which is sturdy and Working principle: Similar to an internal combustion engine, the burning lamp provides power and heating to expand the internal, thereby increasing the power of the internal molecular on the flywheel The Stirling engine model has been assembled and can be used directly