Mini-Lab is a robot designed by professors for professors. It is a medium sized robot optimized for indoor applications. It was born after an experience over a decade in teaching and research in mobile robotics field. Mini-Lab offers the best trade-off between robustness and economic competitiveness. For a comprehensive teaching experience, Mini-Lab ships with pre-made labs, and can be simulated on both Matlab and Gazebo. Its control architecture is open-source and is based on the Robot Operating System (ROS).