Model colour can be diluted with water and all colours can be mixed with one another the products does not contain solvents and is not imflamable colours do not contain lead pigments nor ingredients harmful to health error can be corrected immediately with water or with a small amount of alcohol once paint has dried it is waterproof and permanent this set contains val72862 black grey val72872 chocolate brown val72879 green brown val72880 khaki grey val72890 reflective green val72978 da