ENJOMOR Metal Gamma Hot-air Stirling Engine Model with Lamp Beads Educational Toys Gifts

ENJOMOR Metal Gamma Hot-air Stirling Engine Model with Lamp Beads Educational Toys Gifts Features: 1. Creative design: The Stirling engine is an external combustion engine, simply heat it up with an alcohol lamp, toggle the flywheel and it will run steadily and quickly and people will be amazed by it, a fun and imaginative desktop technology toy.2. Technological electricity generation: you can observe the whole process of the engine in a bright place, as it runs and generates electricity, which lights up the LED bulbs mounted on the small generator. If you try to run this engine model in the dark, you will be completely mesmerised by the glow from the LEDs.3. Well made: The main body is made of aluminium alloy with a mirror polished finish, which is not prone to rust and fading. Using thickened quartz glass heating tube, it can run for a long time not easy to wear. With the wooden base, it is more convenient and reliable to place and use. You will be satisfied with its appearance and q