"tbe buffer"

Colorful cars for teaching motion and collision.

Enhance your circuits with sound.

Relate Motion to Sound

A set of four borosilicate glass tubes of different shapes connected together to illustrate that liquids will stand at the same level.

Spectrum Tubes demonstrate the wave properties of different gases.

Photographic diffraction objects in a slide frame.

Photographic diffraction objects in a slide frame.

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

Foam ball with buzzer audibly demonstrates the Doppler effect during motion.

Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.