Every year on the same day that each of us was born birthday cakes are eaten and blinky birthday cakes are worn. Our flashing birthday cake’s so cool, so cool you’ll never beat it. Our blinking cake is great to wear, but never try to eat it. Our flashing birthday cake body light are a great birthday party idea. These are incredible birthday party favors. They’re great prizes for birthday party games. Height: 1.25 in. , 3.2 cm. – Width: 1.1 in. , 2.8 cm. – LED Colors: 1 Blue, 2 Red, 3 Yellow – Includes 2 Replaceable CR927 Batteries.