What is substitute for clay?

A common substitute for clay is polymer clay, which is a malleable, synthetic material that hardens when baked. Other alternatives include air-dry clay, which does not require baking, and natural materials like papier-mâché or salt dough. Additionally, materials such as plaster or even certain types of modeling foam can be used depending on the desired application. Each substitute offers unique properties, so the choice depends on the specific project requirements.