This pattern uses approx 40 g yarn. The yarn required ranges from 4 ply to chunky depending what size snowball or bauble you want to make. The snowball or baubles are made using one basic pattern, yarn type and needle size determine the finished size. Plenty of scope to let your imagination run away to decorate the baubles. BASIC SKILLS NECESSARY knit, purl, increase, decrease SIZING / FINISHED MEASUREMENTS 5 sizes ranging from 5 1/2 inches circumference to 10 1/2 inches circumference.