Gizmodo
In the same vein as the Sudoku toilet paper rolls, these Brain Training toilet paper rolls give you something to do when you're pushing the brown envelope. Of course, you could just concentrate on the task at hand and be done sooner, but we're not your mother.
Personally we think these rolls make more sense than Sudoku ones, since we doubt anyone really wants to sit on the can for an hour solving a puzzle before you finish wiping. It kinda gets crusty after a while.
Product Page [Gadget Box via Coolest Gadgets]
