Easy Ripple Afghan

**Materials given in pattern:**<br /> Worsted weight acrylic yarn in desired colors. About 12 ounces each of 3 different colors (36 ounces total) will make a 40 inch by 60 inch afghan (the ideal size for Project Linus). 30 ounces varigated yarn made a 40 inch by 60 inch afghan.<br /> **or** <br /> Sport or baby sport yarn. About 21 ounces of baby sport yarn made a 42 inch by 39 inch afghan.<br /><br /> Crochet hook size I for worsted weight yarn<br />Crochet hook size G for sport weight/3-ply yarn<br />