I found a pattern for a "lego" afghan at All Things Bright and Beautiful.
but I decided to make a pillow instead for my grandson! I gave it to him yesterday, I wish I had taken a pic of him with it but maybe when we visit them this weekend I will remember and post it here!
http://thegreendragonfly.wordpress.com/free-crochet-patterns/ the creator of this pattern. I loved the garland they made for my mirror.