ONE CRAYON, THREE WAYS TO COLOR! Crayon-pastel-watercolor. Doodle Hog NOYO crayons are buttery smooth. The vibrant colors glide easily and will blend like a pastel. Add a dab of water and voila! a watercolor effect! The pigment won’t wrinkle paper or crack when dry. This NOYO crayon is a child favorite because of its versatility.