How about a Labyrinth Walk with some math/science related fabrics? I just saw a beautiful one on Tamarack Shack's blog
http://tamarackshack.blogspot.com/20...th-walk-2.html
I have some of this fabric from Zen Chic and it's beautiful with the pale gray and white:
https://www.fatquartershop.com/moder...etrics-yardage