The STAEDTLER Plastilin‑Knete Noris Jumbo C18 is a permanently plastic (dauerplastische) modeling clay from the Noris jumbo 842 series. It is available in a set of 18 sticks of 16.6 g each (total content approx. 298.8 g). It is made from waxes, fillers, and coloring agents. The colors can be mixed and it retains its shape. It is intended for use in schools...