"Janitorial Supplies"

Useful for adding powder chemical to reaction vessels.

Vividly demonstrate centripetal forces with this exciting apparatus.

High Quality for the Classroom.

Variety of lenses for optical experiments.

Superior Grade Rubber Offers Softness, Resiliency, and Durability.

Reliable kit in a quality carrying case!

Classical demonstration of refraction and internal reflection.

Sturdy box for investigating frictional forces.

Efficiently illustrates the various types of diffraction.

Flexible mirrors for optical experiments.

These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.

Vividly demonstrate elastic and inelastic collisions.

This set is economical, durable, and versatile.

These zinc-plated support rings are made of durable cast iron.

Strong and Flexible Student Metric Ruler.

Huge wave demonstrations.