"AP physics"

This hands-on apparatus demonstrates transverse and longitudinal waves.

Long, pure sounding aluminum tuning forks.

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.

Alloy tuning fork economy stamped.

A must for explorations of sound and waves.

Closely wound steel helix for studying wave behavior.

Reliable and User Friendly