Schul-Knet Clay. This set contains five bars of wonderfully soft and supple clay that will keep your children entertained for hours. The clay is easy to knead, press, roll and shape. The clay does not dry out or become hard. This clay consists of controlled and tested ingredients and does not leave marks on the table or hands. Any residue on the table can easily be removed with another piece of modelling clay. The clay is completely harmless and therefore very suitable for children. Specifications: Reusable by kneading. Gluten (flour), protein, peanut and lactose free. Age: 3+ Weight per bar: 18 grams Total weight: 90 grams Number of clay bars: 5 Clay colours: Green / Yellow / Orange / Red / Blue