Easy Mosaic Crochet Butterfly blanket pattern with graph and written step by step instructions with pictures. US crochet pattern in English. Digital download. PDF only. Size is approximately 36 X 60 inches, but can be adjusted to any size desired. Beginner crochet experience level. Materials needed: 5.00 mm crochet hook Scissors Tapestry Needle Approximately 10 skeins of medium 4 worsted acrylic yarn in any 2 color combinations you choose. Stitches used: Single crochet Double crochet Slip stitch (optional for border)