Product Description: Advanced Stirling Engine Model with Four Cylinders 1. Innovative Design and Safety: This Stirling engine model features an impressive setup with four cylinders and a warm lamp, showcasing a perfect blend of metal and technology. For enhanced safety, the alcohol cylinder is securely positioned using a magnet, ensuring reliable and safe operation. 2. Efficient Heat Source: Use 95% alcohol (not included) to heat the cylinders, allowing the dry air inside to expand and generate power. Please note that only 95% alcohol should be used; do not use water, kerosene, gasoline, lighter oil, liquor, or candles as substitutes. 3. Interactive Learning Experience: Engage in hands-on operation to witness the entire Stirling engine process. This interactive experience provides a clear and intuitive understanding of Stirling principles, sparking deeper interest and curiosity in physics and mechanical engineering. 4. Ready-to-Use Assembly: The product comes fully assembled and ready for immediate experimental operation. Its straightforward design makes it simple and convenient to use, allowing you to focus on the learning and exploration process. 5. Operational Guidance: To ensure smooth operation, the piston must be rotated during adjustment. Additionally, take care not to remove the two links outward to prevent any damage or malfunction. Explore the fascinating mechanics of Stirling engines with this expertly crafted model. Its combination of innovative design, safety features, and educational value makes it an essential tool for enthusiasts, educators, and anyone interested in the wonders of physics.