Calls for 6 100g balls of Red Heart Shimmer in 07 Lime, but only 200g of yarn total is required so 2 balls can be wound into 6 equal balls for working the pattern. Hold 6 strands together throughout for the hat, 1 strand for the bird motif. Calls for 23mm crochet hook for hat and 2.75mm crochet hook for bird motif.