Newplast modelling clayis a non drying non toxic and non setting modelling clay thats great for making handmade models and shapes this 500 gram block is a primary choice for aspiring young animators and will keep your little ones entertained whether youre looking for professional use or playing with clay newplast can also be used in moulds and plugs as well as sealing and fillingthe block is highly flexible but will retain its shape once created the clay is completely reusable at any tim