Stirlingtechonline is exclusive distributor and the owner of the brand "SunnyTech"----Please be sure you receive an authentic SunnyTech stirling with SunnyTech logo and only sold by Stirlingtechonline to ensure 1-year 100% Satisfaction Guarantee.
Mini Hot Air Stirling Engine,Single FLYWHEEL
Size - 100X45X50MM. please contact stirlingtechonline if your package doesn't come with manual
A special mini magnet stick in the bottom of alcohol lamp bottle, it make the bottle can attached to the stirling board and avoid drop by vibration during stirling working
It is a amazing and fantastic product at this price,it can be a great gift to your families or friends. It also can be used for teaching purpose.