"activities&amp"

Spare color filter set to be used with Light Box and Optical Set.

Efficiently illustrates the various types of diffraction.

Close-Up Cross Section.

Everything You Need to Demonstrate Optical Principles

Ideal selection for use with a ray box.

Perfect compliment for a ray box.

Every color of the rainbow available!

All Types and Sizes for all Optical Applications.

Quality ceramic resistors, perfect for physics experiments.

Clear, Short Prisms for Index of Refraction and Dispersion

Fun, Hands-On, and Safe Exploration of Force

Small temperature difference create motion in this unique engine.

Simple tool to explore the thermal properties of matter.

Adjustable for Precision

Learn how sunglasses work!

Simple, easy-to-use compasses.