ArtSkills Poster Lights, Arts and Crafts Supplies, One String of 20 LED Lights, Steady or Flashing, One Hole Punch Tool, Reusable Includes one string of 20 lights, one punch tool, and easy step-by-step instructions so you can create a fun poster that will get you noticed! Poster lights can be set to flashing or steady mode, and can be reused for other posters and projects in many different ways Use them in fun and creative ways: outline words, shapes or images, use them as a border, or just add a little sparkle around your poster! Great for school projects, posters, arts and crafts activities, and paintings, these poster lights are easy to use and so much fun! Requires 2 AA Alkaline batteries (not included)