Model Stirling Engine Music Box Model Steam Engine External Combustion Engine Physics DIY Experiment Birthday Toy (1) (1)

Science and education toy type: Physics Product size: 100 * 100 * 70mm Product material: Metal 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.
• During the whole heating process, do not touch the high-temperature parts of the machine to prevent scalding
• Pay attention to the safety of alcohol use. Children should use alcohol under the supervision of adults
• Before the machine is placed on the desktop for heating, please place a wet towel between the desktop and the machine to effectively insulate the heat and reduce the vibration of the machine
• Vibration and displacement may occur when the machine is running at high speed. Please prevent the machine from falling from the desktop