Pack of 1 kg, colour white, the clay hardens in the air. Does not stain or shrink a little when hardening. Ideal for use in kindergartens and when working with children. Dries and cures in 24 hours in the air. After drying, you can still rub clay, sand files, sand and paint. The hardened mass can be softened with water after drying. Harmful to health according to EU standard 71/3.