The hair has fiber optic strands intermixed that light up when activated.
Party Like a TrollHelp your kiddo become a part of The Snack Pack when you grab them this Tiny Diamond Light-Up Headpiece. Tiny Diamond Light-Up Costume Headpiece for Kids With your tiny Troll being the beloved Guy Diamond, you’ll have a glitter party running around on two feet. If you wish to activate those strands, you will need 3 AG10 button batteries.There is also a green plastic nose attached to the center of the frames.