SIO-2 PLUS is the natural self-hardening clay that does not need firing. After drying, it achieves high hardness, strength and solidity. PLUS clay is a suitable material for development of creative and perception skills (plastic expression). It is suitable for children (from 3 years old).

Once dry, the clay can be painted or varnished with any type of paint or varnish. It can be also polished, carved or drilled.