WC-640 Self Hardening Clay

  • Sale
  • Regular price $31.50


  • Suitable for throwing, coiling and sculpting.
  • Allow for some shrinkage.
  • Air dries quite well.
  • Do not Fire!
  • Store in an air-tight container until work is completed.
  • Uniform thickness is desirable.
  • Finish with acrylic paints.
  • Must be sealed with a commercial water sealant to waterproof.
  • Recommended for large groups
  • 25 lb block.