Feature(may vary by option.)

●The engine toy model is a great educational model for students and teachers.
●The sterling engine features a base, glass cylinder liner, precision bearings, bearing steel shaft, and zinc alloy flywheel
●All parts are surface treated to prevent rust or rust
●EASY TO START - Spin and run in a hot mug. As long as the temperature difference is maintained, it will continue to run like a forest gump
●WIDE APPLICATION: People bought it for childrens science projects, physical/machine learning, and demonstration on class

[One Size gold]

Description

Perfect for kids science projects, physical/mechanical learning, teacher demonstration props in class, birthday gifts for friends, family, parents, children, etc.
The sterling engine features a base, glass cylinder liner, precision bearings, bearing steel shaft, and zinc alloy flywheel.
All parts are surface treated to prevent rust or rust.
EASY TO START - Spin and run in a hot mug. As long as the temperature difference is maintained, it will continue to run like a forest gump.
WIDE APPLICATION: People bought it for childrens science projects, physical/machine learning, and demonstration on class.
Elegant design and fine workmanship, this is a beautiful work of art.

Base Diameter: 10cm / 3.93in
Heigth: 10cm / 3.93in.

Package included:

One low temperature sterling engine

Note:

Please allow 1-3mm measurement deviation due to manual measurement.
Due to the different monitor and light effect, the actual color of the item may be slightly different from the color shown in the pictures.