How will you light it up?
We change our porch light and put in a blue light bulb! The blue light bulbs can be bought from Home Depot for about $2. and all proceeds go to Autism Speaks Canada. My son also takes some fun Light bulb colouring sheets to his class for them all to do!
Check out http://liub.autismspeaks.org/welcome for some fun ideas and see pictures of how others Light it up Blue!