Specification Model SH 010Product Name Freestyle Piston Stirling Engine ModelMaterial of Connecting Rod Aluminum AlloyMaterial of Hot Cylinder Quartz GlassMaterial of Base BambooDimensions 110 65 70Weight 180gOperation instructions Use 95 alcohol to heat the fuel heat for about 30 seconds turn the flywheel to start the Stirling engine model which can be rotated forward and reverse Note 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 Package included 1x Stirling Engine Model