Laser Pegs are a building system that are compatible with your ever growing LEGO collection. The wow factor? Each set of Laser Pegs comes with at least one light up brick! This STEM-focused (science, techonology, engineering, mathematics) toy offers a variety of educational benefits like spatial reasoning, hand-eye coordination and problem-solving. Laser Pegs come in a variety of themed sets. From creatures to cars, there’s a set for every future civil engineer!