"Janitorial Supplies"

Small electrolysis apparatus with beaker included.

Long, pure sounding aluminum tuning forks.

Convenient and easy storage.

Quality ceramic resistors, perfect for physics experiments.

Wide range of cubes for density experiments.

Simple tool to explore the thermal properties of matter.

Control the current direction in circuits.

Frosted acrylic lenses for optical experiments.

Quality resistors for electrical experiments.

Compact electric storage for 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.

Equilateral prisms, made from high quality clear acrylic sheet.

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

Whiteboard Color Optics are a complete system for investigating color, reflection, and refraction.

Six aluminum replacement leaves for the Electroscope Assembly without Flask.