Stumbled on this the other day and ended up glued to my monitor for the 5 minutes it took to fill in the blanks.
A simple idea that can be almost endlessly rotated, it still manages to suck in every designer that claps eyes on it. Like creative catnip.
If you can get through R, S and T without stumbling then kudos to you.
Click here and start the quiz!
(Original post author : Kieran Edwards)