Stirling Engine Model Kits, 16-Cylinder Swash Plate Butane Powered Quartz Glass Hot Engine Model, DIY Scientific Experiment Model for Adults & Teens

【Striking 16-Cylinder Design】Features 8 hot and 8 cold cylinders with a rotating front metal propeller, delivering a visually impressive and dynamic demonstration of engine operation. 【Durable Premium Build】Made with stainless steel, solid wood base, and quartz glass hot cylinders for reliable long-term use and an elegant, collectible-grade appearance. 【Realistic Butane Operation】Fueled by butane gas (not included), starts with ignition and manual propeller spin after preheating, adjustable flame via tank knob for performance tuning. 【STEM Educational Tool】Offers a hands-on way to explore engine principles, ideal for classroom demonstrations, science experiments, or sparking kids interest in engineering. 【Safe for Teens and Adults】Recommended for ages 15+, adult supervision required; always wait for natural cooling before touching hot components to avoid burns.