"gray K. Besonson"

Glows with Characteristic Brilliance!

A bare copper wire of the highest quality. Available in several standard AWG sizes.

This Fan Cart demonstrates Newton’s principle of action and reaction.

Closely wound steel helix for studying wave behavior.

Spare pith balls for pith ball electroscope.

Flash lamp bulbs perfect for simple circuit activities.

These ARE the micro:bits you've been looking for!

Multi-purpose drilled ball set ideal for pendulum experiments but can be used to meet a variety of lab needs.

Quality ceramic resistors, perfect for physics experiments.

Quality resistors for electrical experiments.

This large cart has plenty of room for setting up any motion activity.

Demonstrate how the surface of a wheel affects its rolling friction.

Collect quantitative acceleration data with this adjustable fan cart.

Expand your physics experimentation capabilities.

The Adapter for Pasco cart allows the attachment of a Vernier Dual-Range Force Sensor to a Pasco cart.

Free fall experiments have never been easier!