Fear Expo Presents The Neon Nightmare Floor! Sponsored By GellyBall. Are you looking for a hot, new add-on for your attraction that you can theme any way that you want? Then you will want to check out GellyBall at Fear Expo Live. GellyBall will have a new haunt-style black light arena live demo for sale along with opportunities to become a GellyBall Dealer for your market. Vendors! Do you have products that looks amazing in black light, UV or 3d? Sign up today and reserve your space in the Fear Expo Neon Nightmare Floor. Hurry space s going fast!