BrainPop is a group of children's educational websites based in New York City. It hosts over 1,000 short animated movies for students in grades K–8, together with quizzes and related materials, covering the subjects of science, social studies, English, math, engineering and technology, health, arts and music. In 2022, Kirkbi A/S, the private investment and holding company that owns a controlling stake in Lego, acquired BrainPop.