Etchin' the Sketchin'

We all know how much we loved Etch-a-Sketch's when we were younger, and I'm sure we've all heard about some really good artists using them to make some pretty cool one-liners (get it?), but how many of us have watched it happen?
Here's a time-lapse of a work of art being made...on an Etch-a-Sketch.

[boingboing]