Sunnytech Hot Air Stirling Engine Motor Model Educational Toy Electricity Generator Colorful LED (SC001)

It's mainly constructed by metal so it is heavy thereby can work stably on table.It's mainly constructed by metal so it is heavy thereby can work stably on table.It’s an amazing conversation pieces on your desk, decorative and impressive.It's funny to see people's looks and reactions when they squeeze a little shot for this Stirling engine.Light the alcohol burner, let it warm the glass cylinder for 20 seconds, and then give the wheel a gently push, it will run like a charm.All of your guests want to know what happened, ice-breaking success.What a marvelous toy! 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.To be admired and to be talked more from your friends if you have this magic stuff.This Stirling engine designed reasonable and compact.You can bring it home, school office with convenient in your bag.Features: MODEL: SC001 Speed:1300 to 1500 RPM Size: 105*90*84 MM/ 4.13 *3.54*3.30 in Material: Steel, and Aluminum Weight: 540g / 1.Note: 1.Do not touch the baked test tube and the metal connected to it, so as not to burn.2.Suitable for more than 8 years of age, 8 years of age need to operate under the guardianship of parents.Stirling engine is traditionally classified as an external combustion engine.Please refer to wikipedia for more information