Add vibrant and rich colors to your creation with the Crayola® Twistables® Slick Stix™ crayons. You can use these super smooth twistable crayons to bring your illustrations to life. Simply twist your color stick and get ready to explore your artistic flair. These non-toxic Crayola crayons have plastic barrels to protect the Slick Stix from breaking. They come in a set of 12 assorted colors.