23051 Charge force demonstration device

The product is composed of a transparent wind proof cover, an angle indicator, a hanging light aluminum foil ball, a adjustable distance metal ball and a base.transparent windshield size: 103mm*55mm*115mm, angle indicator range 0-70 degree, minimum angle: 1 degree, lightweight aluminum foil ball and a metal ball diameter: 20mm, the metal ball can adjust the distance of not less than 20mm. With a handle,the total size:165mm*90mm*135mm.