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.
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Build a robot that's an artist too!
Every kid needs one of these spheres!
This simple but amusing magnetic toy will keep you busy for hours!
Comprehensive collection of 30 fossils.
Build 14 assorted solar robots, some of which can travel over water!