Feature

●Stimulates students interest: operating the sterling engines will allow you to gain a more intuitive understanding of the structure and principles of learning. Great popular science toy to help develop childrens interest
●HIGH QUALITY MATERIALS: The sterling engine model is made with high quality materials and excellent workmanship to prevent rust and extend service life
●Easy Operation: When the engine runs smoothly, press the switch to DIY the LED diode. It is a very practical teaching material for science experiments
●Excellent Workmanship: The appearance processing of the machine is exquisite, full of metallic luster. High matching precision of components. Equipped with butane gas fuel tank. The machine is stable and reliable
●Wide application: widely used in childrens science projects, physics, mechanical learning, teachers classroom demonstration props

Description