"Dessus de bouchon"

Closely wound steel helix for studying wave behavior.

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.

A must for explorations of sound and waves.

Closely wound steel helix for studying wave behavior.

This large rubber hammer is ideal for activating tuning forks.

These large alloy tuning forks are designed to demonstrate resonance, beat frequency, and sympathetic vibration.

Get students into the swing of things with the Doppler effect.

Aluminum tuning forks for physics experiments.