Prang’s unique blend of soybean oil and brighter, more intense pigments make these crayons brighter, smoother and less flaky than ordinary wax crayons. Blend them together for an even more extensive color palette! A great value for classrooms, camps, or any place that uses large volumes of crayons. Unique storage box with carrying handle is a convenient way to keep crayons together in on solid, refillable container. AP certified non-toxic.