Electroscopes are used to detect and roughly measure the electric charge on an item. This electroscope has a round case, a free-spinning pointer, and a gauge.
WARNING: This product can expose you to chemicals including benzene, nickel, and lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.