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.
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Head into the lab for an in-depth investigation of genetics and DNA!
Learn how solar cells transform light into electrical energy with this great kit!
The large realistic model has removable organs that can be studied and set back into the correct position.
Use this awesome prism to teach about optics and light in the classroom setting!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
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