Main Features of Watercolor Crayons Versatile Drawing - Can be used as crayons when dry. - Adding water creates a watercolor effect. - Multiple colors can be layered and blended with water. Wide Range of Expression - Combines the touch of crayons with the atmosphere of watercolors. - Can be layered on top of colors that have already dried. Ease of Use - Fine details can be drawn by applying a water brush directly to the crayon. Practicality - Ideal for illustrations and accents on letters. - Water-based, so it can be washed off with water if children make marks. - Watercolor crayons are art supplies that combine the ease of use of traditional crayons with the expressive power of watercolors.