"orange de méthyle"

The Large Wave form helix easily demonstrates wave phenomena.

A Classic Demonstration!

Make the study of light and color fun and easy

This hands-on apparatus demonstrates transverse and longitudinal waves.

Make sound measurements with greater precision and convenience.

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.

This ripple tank is transparent, acrylic plastic and supported in a sturdy plastic frame.

These long-lasting aluminum tuning forks have a full sound.

A mess proof way to demonstrate waves and refraction in water.

Alloy tuning fork economy stamped.