"Tubes"

100 feet of extra tubing for TeacherGeek projects.

This demo features a cathode beam to explain the electromagnetic nature of electrons.

This newly designed rheostat features a protective cover.

The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.

With the magnet is on the outside, it's easy to see the science behind these eddy tubes.

Small electrolysis apparatus with beaker included.

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.