LED glow in the dark crystal necklace! It lights up when the magnet connects in the back. Great for raves and music festivals like Edc ! tags: crystal glow in the dark light up blue necklace glowing dollskill wekoko iheartraves rave edc edm festival ultra burning man hologram holographic rave mi gente Little Black diamond lbd pendant jewelry costume Halloween avatar pandora electric daisy carnival emazing lights diffraction boho iridescent hippie fantasy sci-fi ren faire game of thrones Stone