For this pattern I use 5-7 skeins of worsted weight yarn of varying or same colors, and depending on the size you choose to make this it will use up to 1/4 of each skein (Of redheart supersaver) or more. You can also use 2-3 skeins of chunky yarn and will likely use up the entire skein. I like to use up scrap yarn to make them.

I specifically used size T or 30MM crochet hook but any size will work, it all depends on how large you want the holes to be.