1) Our modeling clay or play dough make children life more fun 2) It develops childrens intelligence 3) Clean and safe: wont stick to skin and most fabrics 4) Odorless, non-greasy and non-toxic 5) Extremely soft and responsive 6) Takes detail without crumbling or flaking 7) Keeps valid in a airtight or less airtight container 8) Art pigment is extracted from curds mucilage and concentrated by advanced technique 9) Our products possess many characteristics: high purity, full color, fresh color and luster, vivid, strong hiding power, no glisten in menu 10) Conform to the standards of EN71-3 and American ASTM D-4236 Please feel free to contact us for more details.