Low Temperature Stirling Engine Runs by Hot Water Scientific Gifts

Description

Just a cup of warm water, so that it can be rotated, it can also be used lighting, heating, solar heat to start, very magical. Our advantage: 1, the floor made of aluminum alloy material, light and does not rust 2, transparent plexiglass hot cylinder, the cylinder up and down ring seal, no leakage, strict production processes exquisite