BrainPop is a group of educational websites founded in 1999 by Avraham Kadar and Chanan Kadmon, based in New York City. As of 2024, the websites host more than 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.