Light Up Rainbow Unicorn Headbands for Girls, Set of 2, Birthday Girl Headband with Flashing Horn, Unicorn Party Supplies and Decorations, Unicorn Party Favors, Cute Costume Accessories Color-Changing Just expose them to sunlight

Just expose them to sunlight or artificial light and watch them glow in the darkness

Practical Design This isn’t your mere dino set

So AwesomeTap into your imagination

Each spool measures 2

These plush stuffed toys make the perfect gift

Light Up Rainbow Unicorn Headbands for Girls, Set of 2, Birthday Girl Headband with Flashing Horn, Unicorn Party Supplies and Decorations, Unicorn Party Favors, Cute Costume Accessories Color-Changing Just expose them to sunlightA CROWN OF CUTENESS: A headband inspired by magic and fantasy! This pack comes with 2 light up rainbow unicorn headbands for girls and boys that unleash the cuteness and trigger the imagination. Theyre just what you need to bring unicorn themed parties to life. EYE CATCHING LIGHTS: Theres more to our unicorn headbands than meets the eye. With a slide of a switch, the horn flashes to life with different patterns. 3 AG13 batteries come included to fuel