Here is a kinetic wood sculpture that puts on a trippy show as you let it run. The Circle of Inspiration Sculpture can run up to an hour after you wind it. It incorporates moire patterns. It also makes relaxing sounds as the wheels turn.
This kinetic sculpture measures 24 x 24 x 6 inches. It is made with Baltic Birch wood, brass, and metal parts. You can find out more about it here.