α Type Double Cylinder Butane Stirling Engine LED Generator Model with Double Piston Rocker Arm Linkage Teching The fuel part is the

The fuel part is the fuel tank connected to the oil pipe and connected to the engine

Please connect the boiler yourself

A selection of high-quality materials

Material: Stainless Steel + Copper + Iron + Plastic

The weight is 288g

α Type Double Cylinder Butane Stirling Engine LED Generator Model with Double Piston Rocker Arm Linkage Teching The fuel part is theType Double Cylinder Butane Stirling Engine LED Generator Model with Double Piston Rocker Arm LinkageFeatures:. Unique Model: This Stirling engine model adopts type double cylinder double piston rocker arm linkage structure, with a small generator and LED lamp beads, and is equipped with a voltage digital display meter. The overall design is very cool and eye catching.. Science Educational Toys: LED lamp beads emit brilliant lights when the machine is