Educational experts agree that clay activities are crucial to the proper development of a child's small motor skills and creative potential. Plast-i-clay helps unlock the door to creativity and helps children develop good hand/eye coordination. Clean, Safe, and perfect for children of all ages. Clay good for Early Childhood as children do not grow impatient waiting for medium to soften. Clay can be used over and over. Work on a plastic sheet for easy clean up and keep in a plastic bag for neat storage. Plast-i-clay is non-toxic and conforms to ASTM-D-4236 safety standard. ACMI Certified. Pack has 4 1/4lb Pieces. Assorted Pack of 4 colors gray, green, red and brown

Picture shows various colors but this set just includes gray, green, red and brown.