how long to bake sculpey bake shop clay
So if you have polymer clay (brands and lines like the various Sculpeys, the two Fimos, Kato Polyclay, Cernit, Premo, Craftsmart/Bakeshop, etc), you'll harden them usually by putting them in a home oven at 265-275 F for 10-45 minutes depending on thickness. Then let them cool.