Definition of «yarn balls»

The phrase "yarn balls" refers to small, round objects made of yarn or thread that are typically used for knitting or crafting.

Put all of this year's leftover yarn to good use with easy - to - make yarn ball ornaments and bunny tail yarn garland. (hgtv.com)
I love the look of yarn balls, the endless possibilities of yarn colors and how they're just an easy way to pull colors together. (ribbonsandglue.com)
It was therapeutic to wrap those little yarn balls! (stonegableblog.com)
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