Frequently-Asked Questions

A piezo (or piezo-electric) speaker contains a small crystal coupled to a mechanical diaphragm. This crystal flexes in proportion to the voltage applied across its surfaces, converting electrical energy into mechanical vibrations, which in turn emit an audible tone.

Do you ship internationally?

We are happy to accommodate customers who are out of the US. We have resellers in:


Europe (EnglishFrench )

United Kingdom

New Zealand

Or, contact us with your order information and we will manually generate a shipping quote for you.

Do you accept Purchase Orders (POs)?

We accept purchase orders from schools and other organizations. Please contact us for more information and to request vendor application forms if required.

Can I purchase through places other than this website?

Besides our international resellers, we have partnered with several in the US also. You can view our products on:



Follett School Solutions


Science Buddies

Do you accept returns?

We are happy to process returns as long as we have recieved the items back within 45 business days from originally ordering. Buyer assumes return shipping but will be refunded in full otherwise.