Add vibrant colors to your sketches with the Crayola® Portfolio™ Series oil pastels. This pack of Crayola oil pastels contains 24 assorted colors. These water-soluble oil pastels can be used for dry as well as wet art work. Use them as they are or dip them in water to create different effects. You can also use a wet brush to blend these nontoxic vibrant colors and create watercolor effects.