Emperor of Gadgets Fun LED Glasses for Kids The perfect size to be worn by children from 5-12 years old. Suitable for both boys and girls. Kids like every flashing stuff, so buy this for their birthday party. Powered by 3 buttons batteries which makes it last longer. Three different modes of lighting. Your child and their friends will get many hours of fun by playing many different kinds of running, chasing and jumping games with these led glasses.