Let there be light

Got the Plexiglas in for my Con project this week. I pealed a corner of the paper back to take a look and it lights up like a Christmas tree.  It better for how much this stuff costs! I wish I could make this project full size but just in Plexi alone it would cost Thousands of dollars, plus how the heck would I haul it all. :)

On my Facebook I am giving big clues as to what it is. Can you guess what it is?