Want something amazing to enjoy at your Halloween party? Then offer up these blacklight-responsive Jell-O shots made with vodka tonics. Don't worry, the quinine from the tonic is all-natural and responds to blacklights. Beyond that, all you need are some cool bat-shapped molds.
Update 9/11/13 by Alex: You can get that Bat Ice Tray from the NeatoShop.