Prang crayons are made from a unique soy bean formulation. These crayons are made from 100% renewable resources and do not include paraffin wax. This formula makes our crayons brighter and smoother than ordinary wax crayons. This master pack includes 400 crayons, 50 each of 8 colors.Details:Includes 8 assorted colors6 packs (400 crayons per pack, 2,400 total crayons)Smooth laydownExcellent for blending to make an even more extensive color paletteCrayons are made from a unique soy bean formulationAP certifiedNontoxicFor grades Pre-K to 12