To make these cute boutique Snowmen, you need about 4 ounces white, 2 ounces red and 2 ounces green 4-ply yarn; 6 Styrofoam balls, 3 and 4 inches for large snowman, 2½ and 3 for medium, 2 and 2½ for small and small amounts of black and red felt, number 5 standard knitting needles.