24 Pack Mini Twistables Crayons with brilliant colours and smoother laydown. Crayola Twistables Crayons require no sharpening or peeling of paper label, resulting in less mess. The 6mm thick strong Non Toxic leads are protected in the plastic barrel meaning there is little or no waste and crayon can be used to the very end. Twistables Crayons are soft enough to blend yet hard enough to resist wear. Ages: 4+ years.