[A]lmost everybody has played with Lego block. In an interface design, this experience is very helpful. Users can understand how to use the tools by intuition. Furthermore, the sound of the complex system is constructed by combining simple systems intricately. The devices that are using emotional designs play chaos sounds by uncomplicated movement.
Playing sound using crisp bread instead of vinyl records; pieces of Lego instead of synthesizer keys etc. It is more building music or finding sound than playing.