Set of 4 different colours of clay with a total of 1000 grams. Packed as a block in a transparent bucket of 13 x 13 cm. Weible Knet has been a high-quality, natural quality product from Germany for more than 100 years. It has the property of not drying out and will therefore not harden. The clay can therefore be used for years without any problems. The product is 100% natural and gluten-free, so there is no risk for children associated with this clay. Weible Knet is made from potato starch and beeswax, the dyes come from the food industry, so the clay is coloured exclusively with natural dyes. Weible Knet is the best choice for your child / children.