Low Temperature Stirling Engine Solar Energy DIY All-metal Stem Steam Model Kit Type_4 Cylinder Stirling ★EASY TO PLAY: this engine

★EASY TO PLAY: this engine is powered by the temperature differential between top and bottom panels

the battle is about to begin

strong and durable and stable

Fill the fuel tank with gasoline(95#)

Low Temperature Stirling Engine Solar Energy DIY All-metal Stem Steam Model Kit Type_4 Cylinder Stirling ★EASY TO PLAY: this engineSolar Energy Low Temperature Stirling Engine DIY All metal Stem Steam Model Set Features: . 100% brand new with high quality . Made of metal, the bracket is made of aluminum alloy . The cylinder and piston piston links are made of aluminum alloy, and the bracket is made of a circular arc shaped aluminum alloy column . Both the flywheel and the bracket are connected by high precision bearings . The bottom and the cover are connected by a curved copper