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Slip this ruler right into your sock while it is still on the needles to easily gauge when to start the toe (or the gusset/heel if you are knitting...

Market Totes are sturdy and versatile with plenty of room for your school books, groceries, computer, Gym stuff, & anything else. Splash proof ...

*Part of the Holly Dyeworks trunk show at String Theory until November 23, 2024. No returns or exchanges permitted for trunk show purchases.   Fing...

This handy tool has everything you need to make a gauge swatch and check your progress along the way. You can identify needle sizes from US 0 to 15...

Wooden Building blocks are great for kids ages 3+ to explore structure, color, pattern creatively. Endless ideas abound, including: Build a towe...

So simple - but so powerful!  This all natural  Stain Stick is gentle on fabric and tough on stains! Rub on a stubborn stain, rinse, rub on again, ...

This beautiful textured baby blanket is knit out of organic cotton. A perfect gift for the new baby in your life.  The kit includes: 1,000 yards o...

Stephanie put together an exclusive String Theory set of 20 mini skeins to help us celebrate our 20th anniversary. These 20 minis + the full skein ...

These stitch stoppers fit easily onto the tips of your knitting needles to prevent your stitches from sliding off your work in progress. - Keep sti...

Strands of Joy features 20 versatile colorwork patterns for challenging and relaxing knitting, from Finnish knitwear designer Anna Johanna and Nord...

String Theory Fan Club: Where Craft and Compassion Connect! Fan Club 2025 enrollment is open until midnight on Monday, November 18. The next enroll...

These glass water bottles from lifefactory include the String Theory Yarn Company logo - the perfect sustainable swap! BPA free 22 oz. glass bot...

Check out our custom String Theory Oh Snap Zip - everyone's favorite mesh bag with a zippered pocket! Combine the benefits of traditional Oh Snap b...

Good Yarn Connects Us100% Soft Cotton T-shirt from Bella + CanvasAt String Theory, there are good stories behind the yarn that you buy. Manos del U...

The String Theory Tape Measure is a must-have tool for any project. The bright yellow  color makes it easy to spot in your project bag. 

Kit includes 11 skeins of Paka Washi yarn, in colors to make the scarf as pictured. 50% Easy Wash Alpaca/50% Merino 135y/50g We’re thrilled to int...