I actually can't find where this was on the site but it's yayeveryday.com that has more visual stimuli than a room full of sugared up toddlers and the crayola warehouse. I'm tickled.
When searching the site to try to find the first "alphabet" image again to link it...um, I found this.
Jennifer Maestre Pencil Sculptures:
Yay!everyday is probably the coolest random site I've ever seen. Forget stumbling my friends, just take a couple minutes to fiddle on this.