In this category you can find interesting and practical goods that will be very useful when working with polymer clay. FIMO clay by STAEDTLER is non-toxic polymer clay which hardens after kneading and can be modelled. You can work with the clay right after unpacking and then bake the finished product for 30 minutes in a home oven at 110°C. Kato Polyclay is polymer modelling clay which hardens by baking in an oven at 135°C - 150°C. This clay is one of the strongest of all polymer clays.