Modeling clay that hardens when exposed to air. Suitable for use in classrooms or for visual artists as an introduction to sculpture. The clay is manually shaped, and various accessories can be used. To prevent the clay from drying out, store it in an airtight container after use. It dries naturally in the air (within 24 hours). No kiln firing is required. It can be smoothed very well and leaves no marks or flaking. It can be painted, varnished, wiped, polished, turned, and cut. Clay weight: 500 g.