Lightened modelling clay. Keraplast clay is air-hardened modelling clay that may not be remodelled again after hardening. Prior to modelling, knead the clay thoroughly, and surface finish the product with moistened fingers and let it dry at room temperature. After drying, the clay is very light and can be used as a hanging decoration, beads etc. It may be coloured and decorated after hardening. Unused clay must be perfectly packed in a PE bag, not HDPE bag. The clay is suitable for children 3+.