With bold colors and an ingenious, triangular shape, these crayons are made of plastic, not wax, for additional durability. With their easy to grasp design, they won^t roll away. This 12-color assortment comes in a sturdy, plastic, flip-top case. The unique shape will help develop the preferred grip for later writing skills.Product Measures: 6.5" x 4" x 0.8"