The Worlds Smallest Laser Guns are a twin set of sci-fi sound effect producing toy light-up guns. Each set in includes one blue and one red gun for the ultimate in office cube warfare. Measuring only 3.5 inches long, these toy laser guns are little replicas of science fiction laser guns. Each set comes in a set of two, so you can battle red against blue. Pressing the trigger creates 8 different laser blast sound effects as well as a pulsating LED that flashes and strobes further enhance your laser blast. Batteries Included Not for children under 3 years of age Note: Not a true laser, but still a cool fun effect that you'll enjoy!