L-ROM Hot Air Stirling Engine Model - Educational Physics Science Kit for Kids, DIY Steam Power Generator Motor Toy for Science Experiments & STEM Learning - Perfect for Classroom, Homeschool & Gifts

Size: 16.5x9x98cm/6.49”x3.54”x3.85” Flywheel Diameter: 60mm/2.36” Drive Wheel Diameter: 25mm/0.98” Cylinder inner diameter: 16mm/0.62” Color: Silver Your satisfaction is our top priority! If you are not satisfied with the product, please feel free to contact us, we will serve you wholeheartedly.

It has a wide range of applications, such as children's science projects, physics/mechanical learning, classroom demonstration props for teachers, friends, family members, parents, children's birthday gifts, etc. Many of our customers come from schools, colleagues, etc.

Placed the Stirling engine in a horizontal position, use your hand to toggle the flywheel to see if it is smooth.

Check if every sliding parts is clean.

Fill the alcohol burner with no more than two-thirds.

Light the alcohol burner, toggle the flywheel after 2 minutes.