Here is another educational robot for more advanced students. The Ackerman ROS Raspberry Pi Mecanum Robot can move in all directions. It has a speed of 0.45m/s. It is driven by a MG513 motor. You can control it with an app, PS2, or wireless game pad.
The robot has load capacity of 1kg. It lasts up to 5.5 hours on battery. It ships with a Raspberry Pi and Silane A1 LiDAR.