Netherlands-based YouTuber and “designer of prototypical machines” Daniel de Bruin posted a pair of videos featuring a “miniature marble machine” – and the little contraption is mesmerizing. It’s a ...

Marble machines are the kind of useless mechanisms that everybody loves. Their sole purpose is to route marbles through different paths for your viewing pleasure. They can be extremely complicated ...

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 ...

While this is authentic footage of a genuine product, the "perpetual" marble machine does not operate infinitely without an additional energy source. Rather, it uses batteries and a magnet to create ...