Colorfin-Brusho Crystal Colour. These are amazingly versatile watercolour ink crystals that can be used in a myriad of different ways. They can be used on paper canvas or even wood. Sprinkle them directly on a wet substrate and watch intriguing organic patterns appear almost like magic. Or sprinkle on a wet brush painting knife or texture tool to create a variety of effects. You can dissolve them in water and apply them in a spray bottle or add them to wax paste or gel mediums for body. This package contains 15 grams of brusho crystal colour. Comes in a variety of colours. Non-toxic.