Etekcity Rainbow Bar: Multi-Color LED Flashing Light-Up Sticks (6 Pack) Multi-Color Bars: blue, green, red, pink, and purple. Color and light up the night sky An exciting addition to any special occasion; Weddings, birthday parties, clubs, and more Great for Kids: Provide endless entertainment with a child-safe product you can trust The rainbow bar is secured to a multi-colored clasped string. Wear it as a necklace, or swing it to create vibrant light painting photography Runs on 3 AG10 button cell replaceable batteries (included) for re-use, offering continuous enjoyment