Supplies: Thin white yarn, thick white yarn, a yarn needle, piece of cardboard, X-Acto knife, bells in small and large sizes. 1. Use an X-Acto knife to cut two circles out of cardboard that are about 6 inches wide with a 2 inch hole in the middle. 2. Place your cardboard donut shapes on top of each other and wind your thick yarn through and around the donuts until all the cardboard is covered. 3. Since we want an extra fluffy pom-pom.