Watercolor Aquarell Crayons. Set of 12 Colors. Staedtler Karat. (223 M-12) Watercolor wash effect. Apply dry crayon and stroke with moistened brush. Dry crayon over washes. Wait for wash to dry then apply dry crayon for detail and shading. Crayons lay down thick great for coloring large areas and for scratch art Premium quality 12 ea Karat Aquarell watercolor crayons for a wide range of creative effects in attractive storage tin