I first heard about Kinetic Sand a while ago, and after seeing other hobbyists use it to great effect at shows and in photographs, I decided to take the plunge and try it out for myself. Until now, I've used buff coloured felt glued to a piece of cardstock for an arena floor, but the seam between the two sections really bothered me - not to mention the fact that it only vaguely resembles sand.
I've experimented with sand and other footings before but I don't have a phenomenal amount of storage space in my room, and finding room for a tray or something that could contain a lot of loose material has been difficult, but thankfully I no longer need to worry about that!