CRAYOLA-Twistables Slick Stix. These super smooth crayons are a breeze to use and great for all ages! Each crayon lays down intense, creamy-smooth color for rich, satisfying effects that set in just a few minutes. The plastic barrels protect the crayons from breaking and the twist-up design means there are no labels to peel and no need for a sharpener. This package contains twelve Slick Stick crayons. Non-toxic and conforms to ASTM D 4236. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. Imported.