Educational Colours Air Drying Clay is ready to use. This modelling material can be used to create various objects such as jewellery, ornaments and figurines. No baking is required, object will set hard when left to dry in open air. Drying time varies according to thickness and climatic conditions. The use of wet hands or wet brush whilst shaping will assist in creating smooth texture. Objects can be painted or varnished once dry. Ensure unused Air Drying Clay is resealed airtight in the package to retain malleable consistency.