The creation of electronic music instruments by altering the circuits of an existing gadget. Kids' toys that make sounds, music, or voices are inexpensive yet versatile gadgets to start with.

Popularized to a degree by Quabais Reed Ghazala who encourages experimentation regardless of electronic ignorance. Anybody with rudimentary soldering ability can crack open a toy and find amazing sounds simply by shorting out various points on the circuit board. Anything with an integrated circuit yields amazing possibilites when the resistance between two points is changed.