"Derwent Metallic metallic crayons give shine and shine to your paintings and drawings. Pens can be used as an effect, shading or as such. At their best, the metallic shades of the pens are on a black or dark background. Derwent Metallic pens are water-soluble, so they can also create a wide range of fading lines and effects. Assortment of 6 crayons and a 16cm copper ruler."
