Unique formulation means they won't melt in the hand. Long lasting. Ideal shape for little hands. Hard to break. Great depth of colour. The original and possibly the best! Their unique formulation makes these chunky crayons an ideal first crayon and can be found in most classrooms. Good depth of colour, long lasting and harder to break by little hands than standard sized crayons. 13mm diameter crayons. Pack of 8.