Silver - SH-016 Mechanical Music Box Stirling Engine Model Science Discovery Toys

Features: 

- Novel Design:This Stirling engine model is perfectly combined with a mechanical music box. The design is novel and unique, the shape is simple and exquisite, with a delicate wooden base, which shows a high-end taste. The power generated by the Stirling engine drives the mechanical music box to rotate, which makes a pleasant sound. While observing the operation of the Stirling engine, it can also make the music box sound, bringing a better visual and audio sense.- High Quality:The main parts are made of aluminum alloy, which is strong and durabl. The heating cylinder is made of quartz glass, with low expansion coefficient and high temperature resistance; fine workmanship, perfect details, accurate and reliable connection of transmission parts, and a combination of texture and beauty.- Fuel Usage:95% alcohol (need to be prepared by yourself), pay attention to not add wa