Description:

100% Brand new and high quality

Transparent shell, help to observe progress and understand physical rules

Great accessory for DIY mini motor, reduction gear box, light bulb and LED lamp etc.

Material: Plastic

Color: Transparent blue

Size Chart:

Size: approx. 60 x 30 x 25mm/2.36 x 1.18 x 0.98inch

Package Includes:

1 Piece Hand Crank Generator