Here is the post from their Facebook page:
"You know you're coming to GrandCon, so why not buy your badge now?!?
Team GrandCon is excited to announce our May drawing!
We're giving away 6 prize packs, each valued over $100,
stuffed with gift certificates and goodies, to 6 lucky
winners who buy their GrandCon badge by May 31.
Check it out at grand-con.com!"