The original Hasbro Play-Doh Compound is the #1 reusable modeling compound used by young children for arts and crafts projects all over the world, with over 100 million cans produced each year. Play-Doh compound is non-toxic, non-irritating & non-allergenic .Over 950 million pounds, or more than 2 billion cans, of Play-Doh Compound have been squished and squashed since 1956.