SunnyTech Starpower Low Temperature Stainless Steel LTD Stirling Engine Model brand new in original box.

This low-temperature-differential Stirling engine is beautifully machined. It works with hot water, ice water, a combination of hot water with ice cubes, or a hair dryer. The bigger the temperature differential the faster it runs. It measures 5-3/4" tall with a 3-5/8" D flywheel and a 3-1/2" D x 7/8" tall base. To see it works, please go to

youtu.be/A0eVfUoQnHw