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Amazon.com: Polymer Clay 50 Colors, CiaraQ Modeling Clay Starter Kits for Kids, Oven Baked Model Clay with Sculpting Tools, Safe and Non-Toxic, Great Gift for Children and Artists : Arts, Crafts &
![New to polymer clay and when I try to screw holes into it post baking, it always cracks :( I have an oven thermometer and ensure it stays around 275 (sometimes 270). New to polymer clay and when I try to screw holes into it post baking, it always cracks :( I have an oven thermometer and ensure it stays around 275 (sometimes 270).](https://preview.redd.it/pxtzeaeot7351.jpg?auto=webp&s=b05bd55bf2b673c98da881bd84fda27a2355c69a)
New to polymer clay and when I try to screw holes into it post baking, it always cracks :( I have an oven thermometer and ensure it stays around 275 (sometimes 270).
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