Sunnytech Mini Low Temperature Stirling Silver Engine Motor Mechanical Skills Educational Model LT006

FANTASTIC SMART THING ----Made with high quality material and elegant workcraft.adopts mirror surface stainless steel for the base, glass cylinder liner, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting. Oil-free, OPERATION EASILY----Pour a cup of hot coffee, put it on the cup, it run magically. When it slows down, the coffee temperature is suitable for drink. Enjoy physical powertrain mechanism display and coffee. It also can work on top of ice cube. Some guys put it on cup of hot water and put small ice cubes on the upper plate. This makes the temperature difference much bigger than normal, then it runs even more fast and crazy, LONG LASTING----It can run for 24+ hours continuous without any broken if there are continuous power supplies. One customer put it on USB hot plate (excluded in the package) and it runs on his desk for weeks.Attention: This is a mini Low Temperature Stirling. Size: 2.95 in diameter 4.33 in height / 7.5 cm * 11 cm. Please measure the size with ruler instead of image the size in mind, PRIORITY GIFT OPTION FOR MANY APPLICATIONS----It is an amazing and fantastic product. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for science project, Physical/mechanical learning, teacher's Demo props on the class, birthday gift for friends, families, parents, etc. Many of our customers come from school, colleague, etc, AMAZING CONVERSATION PIECES ON YOUR DESK----It's funny to see people's looks and reactions when they squeeze a little shot for this. Put it on the cup which full with hot waters, give the flywheel a gently push, and get the flywheel going, and then it works like charm.