Dirty Electronics’ new PCB instrument creates some noisy-good reasons to touch a skull -

The Skull Etching combines etched artwork and electronics into a unique touch instrument. The electronics for the instrument utilise just one integrated circuit (IC), yet the instrument features two oscillators, distortion, feedback network, filter and interference/hum/radio. Touch the skulls to play the instrument!

Sweet design – read more on the Skull Etching here.