1、The engine model creatively combines the Stirling engine model with the toy car, powered by the Stirling engine model, driving a simple toy car to walk, with a variety of ways to play, full of fun.2、The toy model itself has been assembled and can be used directly. Its excellent quality and exquisite appearance also make it have a high collection value and can be used as a high‑end gift.3、The model owns exquisite appearance, the shape of the car is vivid, beautiful and textured, the polishing is meticulous, the color is bright, it is not easy to rust and discolor, and has a high‑end texture.4、By operating the engine, children will observe and understand the operation process, and more intuitively understand the working principle of the engine, thereby deepening their interest in physics.5、The model kit has a very wide range of applications, gifts for children's science projects, physics/mechanical learning, teacher demonstration props in the classroom, to friends, family, parents, children, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.