"Janitorial Supplies"

Variety of lenses for optical experiments.

Classical demonstration of refraction and internal reflection.

This set is economical, durable, and versatile.

Efficiently illustrates the various types of diffraction.

A must for your optics lab

All Types and Sizes for all Optical Applications.

Demonstrate refraction and internal reflection.

Frosted acrylic lenses for optical experiments.

High precision, quantitative atomic spectra experiment.

This ray box is ideal for optical demonstrations in the classroom.

Perfect compliment for a ray box.

Help Your Students Perceive How Light Behaves

Demonstrate the optical principles of lenses and mirrors.

This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.