This flask electroscope is meant for use in experiments on detection of electric charge and determination of polarity. It consists of a 250mL Erlenmeyer flask, and a plated rod with a knob of diameter 16mm (2/3in) passing through a rubber stopper. A pair of aluminum leaves are suspended from the rod. Good for experiments in the classroom setting or for use in a science project.
A combination of three of our great discovery toys, all in one package!
This is a classic demonstration toy of the powers of magnetic fields!
Ever wonder how to survive in the wilderness? These cards can help!
Build 14 assorted solar robots, some of which can travel over water!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Build your own 10 inch kaleidoscope with this great kit!
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