Aspiral Analog Clocks Use a Ball Instead of Hands

Aspiral Clocks don't use hands or digital displays, just a ball. The clock itself spins, driving the ball through a spiral until—every twelve hours—it disappears in a hole at the center. Confused? Here's a video:

I like it, but for $545, it will probably only excite fans of Bill Halley. [It's Nice That]