"WardsSci000475"

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

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

Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.

This self-contained apparatus explores wave velocity.

Both of these sets come with a roll-up style canvas storage pouch and a solid rubber activator.

This aluminum tuning fork has sliding weights on each tine.

These Physical Pitch Sets are highly accurate.

Even frequencies make harmonic relationships clear and calculations easier.