Friction rod, rubber

5mm diameter solid glass rod. 10" or 250cm 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 static electricity experiments.

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

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

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

For static electricity experiments.

A great way to explore static electricity! Included are a pith ball electroscope, fur friction pad, balloons and glass rod.