Quote Originally Posted by Redrobes View Post
Have a search on google for "Stability balls". Weird I know but I think this would be a close match.
I once drew a world map on one of those inflatable balls you can find in almost any store with a toys section (Wal-Mart in my case). It took a bit of searching, but I did manage to find one that had a very subtle swirly decoration in a light color that I could easily draw on with a marker. That would be similar to the stability ball, but you'd get a better choice of sizes. It can take some time to find one with a reasonable color, though.