Mini Hot Air Stirling Engine Motor Model Steam Physical Educational Toy Kits Table Decoration

Feature: 1. Simple operation, all you have to do is take it out of the box, fill it with 95percent ethanol and ignite, then, after preheating for a few seconds, let the flywheel rotate, it will rotate quickly and smoothly. It will light up an LED bulb mounted on a small generator. 2. It has a wide range of applications and is a vivid model showing the basic principles of external combustion engines. People buy it for children"s science projects, physics, mechanics learning, etc., to enlighten them to explore more scientific knowledge. 3. This engine is also a well designed and well made mechanical toy, suitable for people of all ages and all walks of life. For your loved one, this is definitely a wonderful gift, with visual texture and beautiful appearance, sturdy and stable structure and exquisite body, it is simply a work of art. 4. This is an external combustion engine with continuous fuel combustion. The piston expands with air (or helium or hydrogen) as the medium. The expanded gas is cooled in the cold room and circulates continuously. Only a small ethanol burners can make it Rotate quickly to generate powerful power. 5. The Stirling heat engine is a unique heat engine because its theoretical efficiency is almost equal to the theoretical maximum efficiency, which is called the carnot cycle efficiency. There is a soft rubber pad at the bottom, which is convenient for desktop placement. It can not only be used as teaching aids, decorations, but also DIY. Specification: Item Type: Engine Motor Model Material: Iron Color: As shown in the picture Product Size: Approx. 16x8.8x8cm / 6.3x3.5x3.1in Weight: Approx. 358g / 12.6oz Application: Desktop decoration Luminous Color: RGB Suitable for the crowd: suitable for people over 8 years old, children under 13 years old need adult supervision. . Package List: 1 x Generator Model 2 x Lamp Beads1 x Blue Hat2 x Accessories1 x English Manual Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.