"Wards"

The Air-Cooled Laboratory Rheostat is the classic lab solution for controlling voltages and currents.

This set features five coils.

Soft iron is a classic example of a readily magnetized material.

Adjustable for Precision

Demonstrate Lenz's Law!

A simple way to demonstrate parallel and series circuits.

The Lenz's Law Kit investigates how much force an induced magnetic field can create.

Simple, easy-to-use compasses.