"Janitorial Supplies"

Wide range of cubes for density experiments.

A must for your optics lab

Long, pure sounding aluminum tuning forks.

Demonstrate refraction and internal reflection.

Small electrolysis apparatus with beaker included.

Quality ceramic resistors, perfect for physics experiments.

Frosted acrylic lenses for optical experiments.

Quality resistors for electrical experiments.

Simple tool to explore the thermal properties of matter.

Snap on battery connectors for your electronics projects.

Compact electric storage for circuits.

Small temperature difference create motion in this unique engine.

Control the current direction in circuits.

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

Unique LED that works with any direction of current.

Equilateral prisms, made from high quality clear acrylic sheet.