Darwi Roc modeling clay 1000g. Self-dry modelling clay, marble-like surface after sanding. Once dry, it can be carved, drilled, or sanded. Adheres to any core material (Wire Mesh, Rigid Wrap, Paper, Glass, Plastic, Wood, and Styrofoam). Strongest in the line of self-hardening mass Darwi. Suitable for children’s creativity and professional sculptors. It dries and hardens in the air for 24 hours. Ready to use.