Plasticene

In this situation, the following instructions were given to each person: Make any kind of object out of plasticene.

Source: wiktionary

Jodie and Phoebe grabbed a chunk of plasticene each, and without consulting Roy's illustrations, they went into a kind of trance, slowly and painstakingly converting the shapeless blobs into almost perfect replicas of a mother and baby Yowie.

Source: wiktionary

Chelsea will occasionally eat non-food items such as lint and plasticene.

Source: wiktionary

And Captain Duncan Martin beside him on the firestep, scanning the German trenches through field glasses, knows every hill and fold and danger point as only a man can know who has shaped the landscape in plasticene with his hands, making a relief model to be used in preparation for the battle.

Source: wiktionary