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 ...

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 ...

When Swedish musician Martin Molin set out to make a musical instrument that runs on marbles, he figured it would only take a couple of months. The process turned out to be a little more complicated ...

NPR's Rachel Martin spoke with Martin Molin, creator of the marble machine, on Weekend Edition Sunday. You can hear their conversation at the audio link. The "Marble Machine" is a musical instrument ...