Feature(may vary by option.)

●An impressive desktop decor and conversation piece yet is a great educational model toy.
●The attraction of the magnet attracts the attraction of the assembly, clamping your hands is very strong.
●Package Weight: about 300g
●It has a wide range of applications including childrens science projects, physical/mechanical learning, as well as a great gift for friends, family, parents, children, etc.
●In most cases you need to manually add external rotation, and this means the rest of the part can be fully illuminated.

[One Size black]

Description

This great looking sterling engine will make a great gift for friends, family or yourself.
Description:
Package Weight: Approx. 10.6 oz (300 g).
Product Size: 5.1 x 3.0 x 3.0 inches (130 x 76 x 75 mm)
Rotation Speed: 300-1500r/min
Material: Acrylic, strong magnets, solar panel, copper enamel wire

Great educational toy, classroom and laboratory experiments are more intuitive and cultivate in easy-to-understand physics of childrens interest.
A great gift for your friends and family. A super addition to your home decor

Note:
The real color of the item may be slightly different from the pictures shown on website
It is caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight deviation in the measurement data.
Please allow 1-2cm error of manual measurement.
If you have any questions, please contact us.
You want to have a happy shopping time!