Enjoy silky smooth coloring and amazing watercolor effects with Smooth Stix watercolor gel crayons. This set of 6 gel crayons come in a travel carrying case too. Water soluble and washable gel crayons. Use a paint brush and water to create a watercolor effect. 1 Brush included. Will not dry out. Twist up plastic barrel. Reusable travel case. Set of 6 colors. Suitable for ages 3 and up