Polymer Clay is highly Versatile Modelling Material. It is hardened by baking in oven or boiling. This 24 Colours Clay Starter Set come with 24 Pices polymer clays, 5 modeling tools, some accessories, project intruction and a Storage box. Specification: -Colors: 24 colors -Single block Weight: 20g/1pieces -Single block Size: 4 X 3 X 1cm -Package Size: 17 X 14 X 4.5 cm -Total Weight: 580g Package: 1 x Set of 24 Colors Polymer Clay Modelling 5 x Modeling Clay Tool 1 x Set of Accessories Features: 1. The polymer clay is made of PVC, environmentally friendly, Non-toxic, Bright colors, No Smell, No Stick hand. 2. Ideal DIY materials, is conducive to the development of children's comprehensive perception. 3. You can join your kids and make some DIY works together. Good for Parent-child communication. Safety Guidelines: 1.