These Crayola Twistable Crayons are a great addition to any pencil case or classroom as there is no peeling or sharpening required. These crayons come in a clear plastic barrel which keeps them from breaking and allows you to see how much colour is left inside. These crayons are non-toxic. Contains 12 crayons in an assortment of colours. Recommended for ages 3-4, but is suitable for all ages.