Prang - DIXX150 Let your loved ones safely enjoy creating with Prang Crayons that are certified AP nontoxic. They are made with soybean oil for smooth, less flaky crayons. The uniquely crafted formula produces a smoother, brighter laydown than ordinary crayons. Intensely pigmented crayons are excellent for blending to make an even more extensive color palette. They are also easy to grip for even the smallest of hands.