"Janitorial Supplies"

Huge wave demonstrations.

Reliable kit in a quality carrying case!

Long, pure sounding aluminum tuning forks.

Convenient and easy storage.

Wide range of cubes for density experiments.

Snap on battery connectors for your electronics projects.

Small electrolysis apparatus with beaker included.

Demonstrate refraction and internal reflection.

Quality ceramic resistors, perfect for physics experiments.

Simple tool to explore the thermal properties of matter.

Frosted acrylic lenses for optical experiments.

Quality resistors for electrical experiments.

Compact electric storage for circuits.

Control the current direction in circuits.

Small temperature difference create motion in this unique engine.

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.