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.