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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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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)
WPI 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 27%mini tool wrap and turn in Tools - notions | String Theory Yarn Co
katrinklesmini tool wrap and turn
Sale price$8.00 Regular price$11.00
Save 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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