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.
This magic bird defies gravity before your very eyes!
This SUPER Erector Construction set is one of the best you'll find anywhere!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Build over 100 exciting electronic projects with this easy to use kit!
This classic device is used to demonstrate the conservation of mechanical energy.
Build a model green house and 9 other green energy-related devices with this great kit!
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