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 colors400 crayons totalSmooth 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