Woodworker extraordinaire [Matthais] was approached by a toy company to create a ‘marble run’ toy ... to a hackerspace for some very large kids to play with, [Matthais] found a few problems ...

Not [Steve Moseley], he turned his kids’ hovel into a sculpture by wrapping a marble run around the entire room. It’s big enough, with so many features that finding a banner image was a bit tough.