With this apparatus you can actually observe increases and decreases in a liquid’s conductivity!
Consists of a molded socket on a PVC cover, provided with binding posts for connection of two wire cords. Two electrodes are internally connected to the lamp circuit. The cover is designed to fit a clear glass tumbler. Light bulb, glass tumbler, and instructions sheets are provided.
Great for classroom use or science fair projects.
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
This classic desk toy will keep you amused!
A combination of three of our great discovery toys, all in one package!
This magic bird defies gravity before your very eyes!
A massive mounted set of 100 rocks and minerals found in the US,
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
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