Super small bling with a mighty Nutty ding! Let 'em know you're coming...or announce your awesome arrival with a stylin' Thumbdinger Bicycle Bell. All you have to do is attach it to your handlebars and you're ready to ding your way down the street. Deck of playing cards for your spokes sold separately. Dimensions: 3 5/8" W x 4 7/8" H.