The bright colors of these easy-grip crayons encourage kids' creativity and the unique triangular shape helps them develop the preferred grip for later writing skills. They are made of plastic, not wax, for additional durability, and their unique design ensures these crayons won't roll away! A flip-top case makes clean-up and travel a snap. For more than 30 years, Melissa & Doug has created beautifully designed imagination- and creativity-sparking products that NBC News called “the gold standard in early childhood play.” We design every toy to the highest quality standards, and to nurture minds and hearts. If your child is not inspired, give us a call and we'll make it right. Our phone number is on every product!