Worbla's Finest Art (aka Original) 8x8 inch sheet - Perfect for Small Projects, Bracelets, and Trim - Thermoplastic- Worbla's Finest Art (Original) : Incredibly easy to use with an activation temperature of 90°C, Worbla becomes soft and pliable, allowing you to shape, form and mold the product by hand safely. The adhesive properties mean pieces can be joined without the need for glue, and scraps can be blended for zero waste. These leftovers can be molded to act just like putty, and many artists use Worbla's Finest Art instead of clay to create near-indestructible pieces. Non-Toxic and Skin-Safe, Worbla's Finest Art can be used in classrooms, apartments, workshops and beyond without needing uncomfortable safety gear or complicated venting systems. Use hot air such as a heat gun, water or steam to shape the plastic however you want.