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