"WardsSci000475"

These free-running plastic pulleys are durable in design.

The Complete Precision Air Table helps investigate low-friction collisions.

The award-winning Snap Circuit Series uses building blocks with snaps to build electrical and electronic circuit projects.

Vivid Illustration of Thermoexpansion.

Economical and effective.

Instantly transform potential energy into kinetic energy.

This track includes everything needed to demonstrate three basic concepts of physics: acceleration, collision, and force.

With quick set up and execution, Large Demonstration Electroscopes give educators more time to work with students.

Makes demonstrations viewable by the entire classroom.

Choose high quality crown glass or shatter-resistant acrylic lenses.

Understand Color and Heat Absorption.

James L. Castner

Parallel-Sided Blocks for Ray Optics

Useful for collision and pendulum experiments.

Build your own hands-on investigations around these assortments of real feathers, fur, and fish scales. Help students discover the unique features of feathers, see how fur keeps mammals warm, and why scales have remained a fish favorite for millions of years.

Spectrum Tubes demonstrate the wave properties of different gases.