|AMACO-Air-Dry Modeling Clay. This ready-to-use non-toxic modeling clay is great for home; school; summer camp and more! This clay can be worked in many methods including but not limited to coiling; pinching; slabwork and sculpting. This package contains 10lb/4.5kg of either White or Terra Cotta lay (each sold separately). Conforms to ASTM D4236. Made in USA.