KAROYD Stirling Engine Model, 3-Blade Stirling Engine Model Science Experiment Stem Toy

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Aluminum Alloy + Quartz Tube Exquisite Furnishing Model: This is an excellent Stirling engine model. Propeller blades are used instead of flywheels, more novel. It will be an amazing technology toy on your desktop. Excellent Crafts: The main body of the engine is made of aluminum alloy, whose surface is ground and oxidized, and it does not fade or rust. Cylinder and piston with high precision. Quartz heating tube does not burst when working in the environment of rapid thermal expansion and cold contraction, so it is safer and more secure to use. Technology Toys: This is a fun and imaginative desktop toy. The engine runs smoothly and reliably. Easy to Use: The engine has been assembled and tested. As long as 95% alcohol is injected into the alcohol lamp, the alcohol lamp is lit and placed under the hot cylinder to preheat for a while. Then the engine can continue to run by manually moving the flywheel to help start. During function, please do not touch the heating part with your hands to prevent scald. Please do not apply any oil lubrication to the cylinder or piston. Widely Used and Holiday Gifts: This item is suitable for teaching and learning AIDS, scientific and technological experiments. A good way to popularize knowledge and cultivate innovation ability. It can also be a cool piece of tabletop art. An excellent gift for technology enthusiasts, family, friends.