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String Theory Merch

At String Theory, we work to make the world a better place with peace, love, and yarn.

Thank you for being part of the community that makes this possible.

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      Featured Most relevant Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old
      Erasable Highlighter
      String Theory Yarn CoErasable Highlighter
      Sale price$4.00
      (5.0)
      ST Needle Gauge - String Theory Yarn Co
      katrinklesST Needle Gauge
      Sale price$18.00
      Preorderopen shipping box revealing 31 kraft paper envelopes with numbered stickers.
      String Theory Yarn CoBox of Light PREORDER: A 31-Day Knitting Advent Calendar
      Sale price$248.00
      (4.8)
      Sold outWPI Yarn Weight Gauge in Tools - notions | String Theory Yarn Co
      katrinklesWPI Yarn Weight Gauge
      Sale price$11.00
      (5.0)
      open shipping box revealing 31 kraft paper envelopes with numbered stickers.

      Box of Light 2026

      31 surprises to countdown to the new year

      Preorder now
      Sold outSave 45%mini tool make 1 in Tools - notions | String Theory Yarn Co
      katrinklesmini tool make 1
      Sale price$6.00 Regular price$11.00
      mini tool kitchener in Tools - notions | String Theory Yarn Co
      katrinklesmini tool kitchener
      Sale price$11.00
      (5.0)
      2" Gauge Swatch - String Theory Yarn Co
      katrinkles2" Gauge Swatch
      Sale price$12.00

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