Note re hook size: the pattern called for a size 16 (12 mm) wood hook. The closest Ravelry had to this was 12.75 mm.

You will need:
595 (714, 833) yards of color A bulky weight yarn
240 (360, 480) yards of color B bulky weight yarn
various medium and lightweight yarns in different colors and textures 14 (15, 16) oz
12 mm hook (size 16)
scissors
needle