How to Make Sculpey Clay

Written by brittany mcbride
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How to Make Sculpey Clay
Polymer clay can be baked in a conventional oven. (colourful clay image by Karin Lau from

Sculpey is the name brand of a popular type of polymer clay. Polymer clay is pliable and hardens when baked in an oven. A kiln is not required. This clay can hold an impression and can be cut, shaped, wrapped, stencilled and painted. Food colouring or dye can be added while kneading the clay. Sculpey clay projects could be jewellery, dolls, 3-D paintings, cars, animals, a hand or footprint keepsake and magnets.

Skill level:

Things you need

  • 2 cups cornstarch
  • 2 cups baking soda
  • 1 1/4 cups cold water
  • Food colouring or dye (optional)

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  1. 1

    Combine cornstarch and baking soda in a saucepan over medium heat.

  2. 2

    Stir in cold water, slowly. The mixture should be smooth.

  3. 3

    Stir constantly while the mixture thickens. It should resemble instant mashed potatoes.

  4. 4

    Dump the clay onto a clean counter or plate. Cover with a damp towel.

  5. 5

    Knead the mixture when it is warm or cooled. Add food colour or dye at this stage if desired. Work the colour into all parts of the clay for an all-over colour or partially for a two-toned design. The clay is now ready to be shaped and then baked in the oven.

Tips and warnings

  • Separate the dough into portions and dye different colours.
  • Food colouring or dyes will transfer the dye to hands. Wear gloves and other protective clothing if desired.

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