Lanyard, works as a LabQuest neck strap to prevent accidental drops while doing field studies. It can also be attached to a calculator cradle and used with a LabPro or CBL 2
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection