Yothfly L-Shape Stirling Engine with USB Connector and Night Light,Stirling Engine Educational Toy Gold Silver
- ...hnological sense. It is an and exquisite decorative ..
- workmanship: The machine is mainly made of stainless steel and aluminum . The surface treatment is exquisite, in metallic , and the parts are matched with high . The bottom plate is provided with a place for placing an alcohol lamp. The machine runs smoothly and reliably. The perfect combination of beauty..
- Instructions for : The product itself has been assembled and can be operated and started at any time. Place the product on the water , then pour 95% alcohol into the alcohol lamp (capacity no more than 2/3), light the alcohol lamp, place it under the hot cylinder to preheat for , turn the flywheel by hand to help ..