12-Pack Acrylic Yarn for Crocheting: Includes 12 spools of soft yarn for knitting, crocheting, pom poms, amigurumi, and crafting. 1200 Yards of Yarn for Crafts: Each skein includes 100 yards of durable, worsted 4-ply yarn, compatible with 3mm and 3.5mm crochet hooks. Vibrant Colors: Ideal as crochet yarn, knitting yarn, or sewing yarn, this set of craft yarn is great for beginners. 12 vivid colors are perfect for creating beautiful designs. Classroom Projects: Multipack with vibrant colors works well for school projects and helps develop fine motor skills, cutting skills, and color recognition. STEM Projects Supplies: Incorporate yarn into STEAM activities for artwork, engineering supplies, or science demonstrations and develop creativity and critical thinking skills.