A proprietary name for: a soft, plastic, claylike substance, used (esp. by children) for modelling.

A proprietary name for: an elastic silicone-based material resembling putty, which may stretch, shatter, or bounce sharply, depending on how it is…

modelling clay for children, typically made out of flour, water, and salt (cf. Play-Doh, n.).

A proprietary name for: a soft modelling material for children made in a number of bright colours. Also figurative. Cf. play-dough n. at play, n.…