Wax Crayons Tin Case 8 Stick Crayons tin case, 8 crayons, length: 83 mm, diam. 12 mm (length: 3.27 inch, diam. 0.47 inch), with scraper, 8 colours assorted, standard assortment Stockmar wax crayons meet the highest artistic standards. 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.