The lightened modelling clay is designed in particular for young artists who can easily recreate their work floating on water after their works start to lose their attractiveness. The 10 bright colour pieces of the modelling clay offered in this set are suitable for art lessons as well. Flowers floating on water or a steamship. This is what you can create from our lightened modelling clay. The products do not sink but float on water surface. works start to lose their attractiveness