Light up your next birthday party with the help of our Flashing Birthday Cake LED Blinkies! Each of these light up birthday cake blinkies has 6 LEDs, 2 red, 2 yellow, and 2 blue, to light up the event in style. Use the butterfly connector on the back of these birthday cake pins to attach them almost anywhere and brighten up your birthday attire! Please note the butterfly connector may create a small hole in the garment it is attached to. These light up birthday cake blinkies come with CR927 batteries included and attached and the batteries can be replaced. Our Flashing Birthday Cake LED Blinkies are sold by the dozen and are individually packaged in a clam shell.