Plus, if you figure out the weave and straighten everything out (OK, OK, so I need a hobby) they'll create a completely different weave in the next 10 minutes.
PCs are child's play.
Try working on a patch panel in a good-sized LAN room, or a 42U rack of servers with a pair of dual-redundant disk controllers and an array of disks.
(It was only recently that I began to wonder whether the term "dual-redundant pair" was itself redundant.)