Silk Clay Lightweight, self-hardening, flexible modelling material. This clay retains a soft, rubbery texture even after drying. Ideal for covering and decorating other porous materials. All colours can be mixed with each other. Knead the clay well before use. Store unused clay airtight. Specifications: Colour: black Gender: junior Age: from 3 years Material: clay Weight per pot: 40 grams Package height: 3.5 cm Package diameter: 8.5 cm