Launch our Cool Free App!
Get $3 Off 1st Order.
100% Brand New and High Quality
Fine workmanship and perfect style.
This instrument is used for scientific experiments to demonstrate the working principle of the generator, indicating that mechanical energy can be converted into electrical energy.
Colour:Black + red + blue
1 * Hand generator
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.