Stockmar wax crayons meet the highest artistic standards. They are made of non-toxic and sweet smelling beeswax. Long lasting and brilliant in color, they are a favorite for parents, children and schools. Through the addition of pure beeswax as a binding agent, the light-resistant pigments display their purity and full brilliance. Because they are mixed with wax, the colours are able to be used in a wide range of interesting colouring techniques - more than any other colouring material. The natural transparency of the wax and the lack of additives result in a high degree of opacity like that of watercolours. Stockmar quality is controlled reliability.