Techno-logic-art
There are no 'useless' parts, every single part has a specific function.
Because the devices are using basic electronic parts that are usually found inside a microchip.
Nothing but resistors, transistors, diodes and L.E.D.s.
To keep the artistic look elegant and simple with no apparent buttons, these creations use internal magnetic switches, activated by placing an elegant handcrafted magnetic knob on the glass surface.