Sculpey
What is now an over-bake clay was a happy accident at Sculpey in 1967. They set the clay aside when it did not serve its purpose, but years later realized that once shaped and baked, it would stay in that shape forever. This sparked an idea to give this clay to artists to play around with, which soon divulged into manufacturing white clay and subsequently clay of different vibrant colors. They strive to upgrade and innovate, so people of all ages can enjoy their clay.