JOVI Air hardening modelling clay is suitable for children from the age of 4. Its unique texture can be reshaped, it has a pleasant and fresh feel to use and it doesn't stain. Use it to create your own shapes by hand or use it over a frame made of different materials such as wire and wood. Leave it to dry naturally in the air for 24 hours with no need for high temperature ovens. Once hard it can be painted, varnished, polished and cut.WARNING: Use only under adult supervision.