Give someone a special birthday surprise with our Birthday Cake Light Up! Blinking pin features colorful party balloons, a "Happy Birthday" message and a bright LED light that is activated by pressing down on the pin. Pin also features a magnetic backing that will easily secure to clothing, backpacks, gym bags and more. This fun and flashy accessory is the perfect gift for friends and family to enjoy! Collect them all and show off your dazzling decoration! Batteries included.