Building and programming your own robots is a great way to become a better coder. The Raspblock is an AI robot with mecanum wheels for Raspberry Pi 4B. It has a 3DOF HD camera with 180-degree tilt and pan capability. The robot can turn on a dime and move in all directions.
This omnidirectional robot can be programmed and debugged through a web browser. It is ready for Python programming and has an open source image processing library. The Raspblock comes with autonomous movement, gesture & face detection, and color recognition.[where to get it]