Color-Changing Lighted Mercury Glass Witch's Potion Bottle Halloween Decoration Add a spooky gothic touch to your Halloween decor with one of our lighted color-changing mercury glass witch's potion medicine bottles! High-quality thick mercury glass bottles have a rough texture and beautiful metallic Halloween colors, with a black lace bow Perfect for setting an eerie Halloween mood. Greet visitors or trick or treaters in style! Beautiful during the day as well as at night: metallic colors and black lace accents add an elegant touch Size: about 7" high, 3" wide. Lights turn on with a switch, flash and change colors. Batteries included.