DAS Ready to Use Modeling Clay - 500g Terracotta £3.99 Out of stock. 0 in your basket View Basket Checkout A moist ready-to-use modelling clay, air dries to a hard, durable matt finish without the need for firing. Das dries to a tougher and smoother finish than standard air drying clay and is soft and pliable. Poster paint and acrylic paints can be used once the clay is dry. Suitable for children.