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Your cart is empty.EISCO pith electroscope. Two pith balls on unspun silk demonstrate static electricity. The balls are held by a plated brass pillar mounted on plastic base. Grades 9-14. For age 14-21.
Larry W.
Reviewed in the United States on March 10, 2025
terrible waste of money, does not work and is very small
Froughieh Michalchik
Reviewed in the United States on July 9, 2019
I couldn't seem to get this to work. It may be very sensitive to atmospheric humidity oh, but it doesn't seem well-constructed. I'm pretty handy with little science toys usually so I'm probably not doing it wrong
Elenabel
Reviewed in the United States on October 16, 2018
These stands are lightweight, but not prone to tipping, and have no obvious weaknesses.Am considering hot-gluing a large, heavy washer into the bottom of each, for extra weight, but they are really quite good.At $5 when bought as an add-on item, these really cannot be beat for the price!I run a group of seven teachers who teach after-school science classes at schools all around our area -- we demand durability and this meets our needs.
Customer
Reviewed in the United States on December 5, 2016
Worked fine as demo for high school students,,thanks
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