You don't need all the tools in those polymer clay starter kits. Here's a list of tools you really do (and don't) need to get started.
Magicfly Polymer Clay Starter Kit, 45 Colors Oven Bake Clay with 5 Modeling Tools and 40 Jewelry Accessories, Safe and Nontoxic DIY Baking Clay Blocks
Polymer Clay Information and Tutorials - The Blue Bottle Tree
Make a Polymer Clay Starter Kit - The Blue Bottle Tree
Beginner Roadmap - The Blue Bottle Tree
Wouldn't it be great to make your own elegant, high-quality beads to use in your polymer clay jewelry? Maximize your creative options by making just
Polymer Clay Bead Making
Shuttle Art Oven-Bake Modeling Clay Kit - 60 Colors, 19 Tools, and 16 Accessories - Non-Toxic and Non-Sticky DIY Crafts for Kids and Adults : Arts, Crafts & Sewing
Polymer Clay Information and Tutorials - The Blue Bottle Tree
Beginner Roadmap - The Blue Bottle Tree
Dealing with Cracks in Polymer Clay Projects - The Blue Bottle Tree
The Right Way to Use Polymer Clay - The Blue Bottle Tree
Make a Polymer Clay Starter Kit - The Blue Bottle Tree
Baking Polymer Clay - The Blue Bottle Tree
Overrated Polymer Clay Products and Practices - The Blue Bottle Tree