Derwent Aquatone Pencils - These pencils are solid, woodless watercolor sticks that you can sharpen like a pencil. Colors lay down quickly and easily, and blend with a wet brush. Strong, vibrant colors offer four times more pigment than standard colored pencils! Idea for creating broad strokes of color or large areas of color wash. Whether you are drawing or painting or both, AQUAtone pencils are easy to use and a lot fo fun! The sets comes in a reusable tin.