Leisure Arts Gumdrops and Rainbows Rainbow on the Double Afghan Crochet ePattern- This rainbow treasure is sure to be beloved by your little ones. Design features color blocked panels of cluster stitches that create a beautiful textured rainbow. Project can be made using size 2 sport weight yarn and a US size K-10 1/2, 6.5 millimeter, crochet hook. Includes step-by-step instructions and a general guide to crochet. Finished afghan measures approximately 36"x 39". Originally published in Leisure Arts Leaflet 2776, Gumdrops and Rainbows. 3 pages, PDF download.