L-type Stirling engine: The overall shape is novel and unique, the all-silver appearance is cool and dazzling, the engine is equipped with a small generator, and it can also be connected to a load night light. Full of metal mechanics and a sense of technology. It is an exquisite decorative model. Give hands-on space to explore science, enhance your imagination and creativity, and realize your technological . Excellent workmanship: The machine is mainly made of Metal. The surface treatment is exquisite, rich in metallic , and the parts are matched with high precision. The bottom plate has a place to place the alcohol lamp. The machine runs smoothly and reliably. The perfect combination of beauty. Colour:As shown Material:Metal Package Contents: 1 set * Stirling engine models Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.