Crayola Crayons are the classic childrens colouring tool. Generations have grown up with them, using for colouring books, school projects, and crafts. These jumbo-sized crayons are made especially got little hands and are safe and suitable for ages 12 months and upwards. Each crayon measures 7cm long and approximately 1.4cm in diameter. Lots if bright colours in the tub which is great for storage. Non-toxic.