There are few things that can keep a certain kind of mechanically-inclined mind entranced as well as a marble run, and few structures that look as interestingly organic as procedurally-generated ...

There's something mesmerizing about watching a marble race down a wooden track, clicking and clacking its way through loops, spirals, and drops. It's a simple pleasure that never gets old, no matter ...

There’s seldom anything as joyful and relaxing to watch as a simple marble run. Of course, the thing about letting marbles fall under gravity is that you eventually need to lift them back up again.