Low Temperature Stirling Engine Model Steam Power Physical Invention Scientific Experiment Toys Type_Stirling Engine Vehicle and the lines on the

and the lines on the piston represent the piston ring and the oil ring

Warm tip: high temperature water is required for operation

very suitable for high altitude areas

cultivate kids' creativity and imagination

Low Temperature Stirling Engine Model Steam Power Physical Invention Scientific Experiment Toys Type_Stirling Engine Vehicle and the lines on theLow Temperature Stirling Engine Model Steam Power Physical Invention Scientific Experiment Toys Features: . Beautiful appearance, simple structure. Reliable quality, the fuselage looks metal and technology sense. . The product itself has already been assembled, has the collection value already, may serve as the pendulum, may start the experiment directly again. . Easy to operate, put on a cup of hot water, preheat 30 seconds to 1 minute, clockwise