"Janitorial Supplies"

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.

TurboForce power offers intense cooling for maximum comfort.

Control the current direction in circuits.

Compact electric storage for circuits.

Small temperature difference create motion in this unique engine.

Student platform balances are an economical alternative to expensive balances.

Easy to read wash bottles with NFPA diamond and health hazards.

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.

The 2-ply Boot foot Hipper is a rugged and classic poly rubber hip boot design.

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.