PhD student and cybernetics guru Peter Bennet has created a new tangible interface, Beat Bearing, which is a sort of steampunk-style music sequencer.
Creatively, Bennet uses ball bearings on washer as a way of completing a circuit to make a switch. Sequences are created by moving ball bearings from the tray to one of the rows of switches. Each row is a assigned a different sound.
Here’s the Beat Bearing in action: