Quote Originally Posted by Bindusara View Post
You can use Fimo : soft clay, with every color you could need if you don't want to paint it after. You can work on it during a long time. Inconvenient : you have to heat it for make it hard

If you don't want to heat, you can use cold procelain clay : it hardens in open air

Both are quite easy to use, you can sculpt it with toothpick or any sculpting tools
I have used fimo before, not on a project like this though. Not sure if I want to put the globe in the oven.
But I will absolutely look into porcelain clay.