Stare up at the stars in your room with these Glow in the Dark Rainbow Pieces. Adhesive included. Charge the glow in the dark pigment with any light or use a blacklight for continuous glow. Note: Adhesive is reusable and movable although it is not recommended on newly painted surfaces or wall paper. Sizes: .75″-3″ Warning: Choking Hazard; contains small parts. Not for Children Under 13 Years. Made in Taiwan.