Here is another Raspberry Pi educational robot that you can control with your smartphone and teach it new skills. The MasterPi Intelligent Vision Robot is smart enough to track targets, follow lines, and distinguish between colors. It is ready for machine learning and Python programming.
This robot has mecanum wheels, so it can easily move in all directions. It has a 5DOF robotic arm to pick and move tiny objects. MasterPi supports WLAN and WiFi direct connection modes. It comes with plenty of sample codes and AI games for students to try. It has a 120-degree HD camera. You can find out more about it here.