Stirling Engine Model Kit, All-Metal Micro 2-Cylinder Parallel Stirling External Combustion Engine Generator with Multicolor LED for STEM Education & Science Demonstration

Stirling Engine Model Kit, All-Metal Micro 2-Cylinder Parallel Stirling External Combustion Engine Generator with Multicolor LED for STEM Education & Science Demonstration

• ? PREMIUM ALL-METAL CONSTRUCTION – Meticulously crafted from polished alloy steel, aluminum alloy, and brass for a flawless high-end texture and lasting durability. Key components utilize premium brass with a fine protective coating, delivering exceptional wear resistance and ensuring reliable performance for over 10 years. This Stirling engine model is a striking fusion of precision engineering and refined visual art
• ? READY TO START WITH MINIMAL SETUP – No complicated debugging or mechanical expertise needed. Simply assemble the quartz glass heating tubes using the main product image as a guide, fill the included alcohol burners with 95% alcohol, light them, and give the flywheel a gentle push after 30–60 seconds of preheating. Enjoy the captivating rhythmic motion and LED illumination almost instantly. The steam boiler operates cleanly with water for safe, pollution-free use
• ⚡ IMPRESSIVE 2-CYLINDER POWER – Equipped with a 20mm power cylinder inner diameter, 20mm piston stroke, and a large 64mm flywheel, this parallel twin-cylinder Stirling engine generates 4–9V output. The dual engine configuration drives the onboard generator to light the included colorful LEDs, creating a mesmerizing visual effect. An additional motor with external wiring is also provided for expanded experiments and driving external loads
• ?️ SAFE, VERSATILE, AND EDUCATIONAL – Operated solely by alcohol flame and water, this external combustion engine produces zero harmful emissions. Ideal for model enthusiasts DIY projects, physics and mechanical laboratory demonstrations, classroom teaching aids, educational puzzle toys, desktop displays, and distinctive gifts. Its smooth operation vividly demonstrates thermodynamic principles and energy conversion, sparking curiosity in both young learners and seasoned hobbyists
• ? IMPORTANT SAFETY INFORMATION – The heating cylinders, boiler tube, and alcohol burners reach extremely high temperatures during operation. Suitable for ages 15 and up; children must be strictly supervised by an adult at all times. Never touch any heated component while running or shortly after shutdown, and allow the engine to cool completely before handling. Use only 95% alcohol as fuel. This product is not a toy and is not intended for children under 15 years of age