In case you are thinking about buying some robots for your class on robotics, here you are going to find a list of some of the most interesting ones, based on my own experience as teacher of robotics at University of LaSalle Barcelona. The list contains a series of robots that you as a teacher can consider buying for making your students practice with real robots using ROS. Shownotes: https://www.theconstructsim.com/which-ros-robot-to-buy-for-education?