Marie's 12 Colors Basc Water Colour Crayon CW7212 (US) With this watercolour crayons all options are open: you may sketch with them, as well as colour whole areas! Length: 2.36 inch (6cm) 12 different colors - for pictures in vivid colors! for smooth, fully smudgeable lines or areas A great gift for friends and family - and of course for your personal use!