How to make your stars glow: Apply one of the adhesive tabs included to the back of each star and stick them on the ceiling. Gently press until they are secure. Expose the stars to a light source for a while. Turn off the light and watch them glow in the dark like magic. Recharge them they will glow again and again. The fun is unlimited! For ages over 3 years. Turn the walls or ceiling of your bedroom into a glowing, star-filled sky. Stick them on the walls or ceiling and fill your room with glowing stars!