[Ivan Miranda] is taking a very interesting approach to a marble clock. His design is a huge assembly that uses black and white marbles to create a (sort of) dot matrix display. It’s part kinetic art ...

The astonishing variety of ways to tell the time which have appeared on these pages over the years provides a showcase of the talents and ingenuity of our community. Many clocks use designs we are ...

I remember seeing my first marble clock in a shop window in Geneva when I was very young and being mesmerised by the balls rolling every minute to indicate the passing of time. It was sometime later I ...