These Koh-i-noor jumbo triangle colour pencils come in a wooden envelope and are made from 100% FSC certified wood with special high quality tri-colour lead. 3 colour shades in a single lead A set of 13 pcs including mixing pencil in cardboard packaging Ergonomic triangle shape permits optimum grip and guiding of the pencil The pencil creates multi-colour trace that changes by rotating the tip Unique for colouring of larger areas where multiple colour shades should alternate, e.g. grass, sea, and more Brilliant colour effect when using different drawing techniques (shading, hatching)