Polymer Clay Beads by Petra Nemravka. This is very simple, a beautiful effect and very easy. The Free Tutorial is in Russian but the pictures explain it all.

Recette de la peinture 3D effet neige

De la peinture de neige en 3D! Une recette super facile!

Shivery Snow Paint Recipe ~ Growing A Jeweled Rose Also had link for snow clay and snow slime