It can run for 8+ hours continuous without any broken which test by one customer. 3, PRIORITY GIFT OPTION FOR MANY APPLICATIONS.
It is an amazing and fantastic product at this price. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher's Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.
4, AMAZING CONVERSATION PIECES ON YOUR DESK. Decorative and impressive, it's proven to be a conversation starter to impress your visitors.It's a cool piece of art even just stands on your desk. 1, After using it, please let the engine natural cool. Don't touch the alchohol burner, burned tube or the metal to avoid scald. 2, 95% alcohol (self-prepared) should be used in the operation. Water, kerosene, gasoline, lighter oil, and liquor should not be added. 3, The Stirling engine model is suit for people over 14 years old.