Here is another robot kit that comes with everything you need to build an AI robot with a Raspberry Pi. The Raspblock comes with omnidirectional wheels and a 3DOF camera. It is ready for object recognition, autonomous movement, and line tracing.
The Raspblock for Raspberry Pi 4 can be coded in Python and is ready for machine learning. It can be controlled with an app or PS2 joystick. It can recognize gestures, colors, and objects.