Using these pompom makers, you can make your own woolen pom-pom balls very easily! Set includes four different size pompom makers: 35mm, 45mm, 65mm, 85mm Useful for handicrafts like mascots, accessories, and more! All you need is some yarn and a pair of scissors! Instructions are printed on the back of the package (you may also search Youtube for pompom maker instruction videos) Using these pompom makers, you can make woolen pom-pom balls very easily - all you need is some yarn and a pair of scissors! Useful for handy crafts like mascots, accessories and more! Set includes four different size pompom makers: 3.8cm (~1.5 inch), 4.8cm (~1.9 inch), 6.8cm (~2.7 inch), and 8.8cm (~3.5 inch). Very easy to use: Wind the yarn around the plastic maker evenly, pull tight at the middle to secure, then use scissors to chop away the frills. Instructions are printed on the back of the package. For a better understanding of how these work, please search Youtube for pompom maker instructions.