PeleusTech Tank Stirling Engine Model External Combustion for Teaching Gift

Product Dimensions: 9.4*5.5*3Inches Tip: 95% alcohol(not included) you can't add water kerosene gasoline lighter oil beer etc. Manufactured by PeleusTech. Instructions for Use: Put the tank engine model in a horizontal position inject high-concentration alcohol into the alcohol lamp to ensure the safety and ignite the alcohol lamp. Preheating for 1 to 2 minutes the alcohol lamp heats the piston tube and the dry air expands to generate power. At the same time the flywheel is assisted by hand to drive the flywheel to rotate rapidly and the tank will start moving forward. Tips: Be careful not to be burnt by high temperature during the operation. Material: Metal + Plastic + Rubber