"Janitorial Supplies"

This set is economical, durable, and versatile.

All Types and Sizes for all Optical Applications.

Reliable kit in a quality carrying case!

A must for your optics lab

Long, pure sounding aluminum tuning forks.

Frosted acrylic lenses for optical experiments.

Demonstrate refraction and internal reflection.

Quality resistors for electrical experiments.

Quality ceramic resistors, perfect for physics experiments.

Small electrolysis apparatus with beaker included.

Snap on battery connectors for your electronics projects.

Simple tool to explore the thermal properties of matter.

Compact electric storage for circuits.

Small temperature difference create motion in this unique engine.

Control the current direction in circuits.

Unique LED that works with any direction of current.