Glow-in-the-Dark Yarn
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This cool new Amigurumi Glow Yarn by Circulo is a 100% polyester ball of yarn that actually glows in the dark after being exposed to bright light. It's perfect for knitting glowing sweaters, glowing hats, glowing toys, or whatever else you wish could illuminate in the darkness. As a bonus, this yarn is also much easier to see when you're knitting or crocheting with it at night. Also cats will love it.