Which marble run is best? Marble runs are rolling ball sculptures you build yourself. You assemble tracks in all kinds of wild configurations and watch as the marbles roll down hills, around corners ...

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 ...

REVIEW – As a writer for The Gadgeteer, I get to review a wide range and variety of devices and products that provide exposure and insight into things that I might have otherwise never known existed.