Lego Mindstorms is a robotics kit developed by Lego that allows users to build and program their own robots. It combines traditional Lego bricks with a programmable brick, sensors, and motors, enabling users to create various robotic models that can perform tasks and respond to their environment. The kit includes software that helps users design and code their robots using a visual programming language. Lego Mindstorms is popular in educational settings, as it promotes learning in science, technology, engineering, and mathematics (STEM) through hands-on experience and creativity.