Good luck! I did a lot with polymer clay about 5 years ago. I had great results and sold a lot of it as almost no one else was working with it at the time. I can't tell for sure from the photo, but it looks like you might have a couple different kinds there. I frequently got in trouble with blanks that mixed clays brands in the same design. I think the slight difference in baking temperature might have contributed to added fragility often with fatal results. I know a lot of people prefer Kato and other premium brands, but I never had any trouble with Sculpey or Premo and preferred the price.