Here is another advanced STEM robot that can teach you a thing or two about coding. The TonyPi is ready for Raspberry Pi 4B. It can be controlled with your phone or PC. It has a voltage display that measures the voltage of the battery inside the robot.
TonyPi is ready for machine vision applications. It can recognize colors and faces and follow lines. It can also play soccer. The companion iOS/Android apps come with 7 AI projects for you to try. TonyPi is smart enough to track motion of objects by processing images through OpenCV.[where to get it]