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.
Build your own solar-powered creations and discover how solar cells generate electricity with this amazing kit!
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
Caution! The fun found in this potato clock kit will SHOCK you!
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Build your own models powered by air and water pressure to learn about the laws of physics in this kit!