Friction rod, glass, 0.25" x 10"

This hard rubber friction rod is used for static electricity projects. It is 1/2" diameter by 10-12" long.

For static electricity experiments. This fur pad will negatively charge a glass or rubber rod.

Measure sound wave lengths and determine the speed of sound with this inexpensive resonance kit.

This metal burette clamp attaches to a ring stand to hold a single glass burette, test tube, flask, etc. for chemistry labs.

For all kinds of laboratory uses in chemistry and physics. This metal ring stand is sturdy and durable.

For static electricity experiments.

These small 0.5"-diameter neodymium disc magnets have a pull force of 10 lbs.

6 mm diameter solid glass rod. 10" or 250 cm long.

A pack of six strong, multi-colored ceramic ring magnets, 1 1/4" diameter.

For static electricity experiments.