A world full of unicorns would be peace and magic. Add the Color Change LED Unicorn Horn Headbands to your party supplies. This piece helps to bring a fantasy world to your party. Whether its New Year’s Eve or Halloween, everyone loves a unicorn. Each inexpensive piece is one size fits most with a six-inch horn attached. Great for your staff to wear or guests. Activate each piece by pressing the button on the base of the horn.