Specification:Model: SH-19Product Name: Freestyle Piston Stirling Engine ModelSize: 100*100*100mmWeight: 350gApplicable: Children"s science projects, physics and mechanical learning, classroom teacher demonstration accessories, birthday gifts for friends, family, parents, children, etcNote:1.No lubricating oil is allowed to be added to the cylinder piston;2.Product data are all manually measured, there may be slight errors;3. The color of the base may vary slightly, please refer to the actual product.Feature:1. Long Service Life: The body of the stirling engine model is mainly made of stainless steel material, which has the characteristics of firmness and durability.2. Wooden Base: The base of the stirling electricity generator is made of premium beech material, which can highlight the noble texture of the whole machine.3. Easy to Use: Fill the alcohol combustor with your.4. Applicability: The stirling engine can be used as a table decoration, as well as for children"s science projects, physics and mechanical learning, and classroom teacher demonstration.5. A Perfect Present: This educational stirling engine toy is an amazing and wonderful item, and the stirling engine toy can be a perfect present for your family or friends.Package included:1x Stirling Engine Model