Features:
Start temperaure difference:20 degrees celsius
Can use the pencil to lubricate the bent axle and connecting rod
Material:
1.Top and bottom cover and stand :Hight quality carbon steel and nickel platting
2.Large cylinder: PC plastic
3.Axle sleeve: Brass
4.Air cylinder: Glass
5.Displacer piston:PVC foam
Color: Silver Bottom Gold Flywheel
Size: about 10.3x10.3x13.2CM
Attention: Do not use the oil to lubricate for it hard to clean.

Package Included:
1x Temperature Engine Mode