Compact Stirling engine motor designed for handson learning and demonstration of basic thermodynamic and mechanical principles. Durable materials and a small footprint make this unit suitable for classrooms, science projects, or a desk display. Key benefits Handson demonstration of energy conversion and reciprocal motion for clearer understanding of physics concepts. Compact size and visible working parts make it ideal for classroom demonstrations and individual learning. Built from beech and stainless steel for stable operation and straightforward maintenance. Includes an alcohol bottle so the model is ready for immediate experiments and demonstrations. Features and specifications Item type: Stirling Engine Motor Materials: Beech and stainless steel Size: 13 x 8.9 x 8.1 cm 5.1 x 3.5 x 3.2 in Gross weight: 412 g 14.5 oz Package contents: 1 Stirling Engine Motor, 1 Alcohol Bottle Function: Externalheat driven Stirling motor for visible rotation and mechanical motion demonstrations Practical applications and use scenarios Classroom demonstration: Teacher shows heat to motion conversion and basic thermodynamic cycles during a physics lesson. Student science project: Build experiments to measure how heat input affects speed and efficiency, suitable for middle and school projects. Gift for hobbyists and curious learners: A compact display piece for a desk that illustrates mechanical motion and provides a tactile learning experience. What you get A complete Stirling engine motor model made of beech and stainless steel plus an alcohol bottle to serve as the heat source for experiments and demonstrations. Note Designed for educational and demonstration use. Use appropriate supervision and follow safe handling practices when using an open heat source.