Kuhn Rikon Frosting Deco Pen Battery-powered frosting pen for decorating cakes, cookies, and cupcakes 6 different decorating tips give you lots of options Includes 3 refillable frosting cartridges, a color mixer, 3 filler plates, and a nozzle for filling cupcakes Works with your own frosting plus commercially available frostings Powered by 2 AA batteries (not included); hand wash