iRobot has released the Create 3, an educational robotics kit based on the Roomba i3 series robot vacuum. The product has been designed to provide advanced makers with a lower cost, out-of-the-box kit to further their skills. The robot has intelligent features such as an optical floor tracking sensor.
https://www.notebookcheck.net/iRobot-launches-the-Create-3-educational-robot-based-on-the-Roomba-i3-series.612247.0.html