Here is another Raspberry Pi robot that can teach you a thing or two about electronics and coding. The Adeept DarkPaw robot kit is made for Raspberry Pi 4/3 models. It comes with object recognition, motion detection, and tracking based on OpenCV.
The robot comes with an MPU6050 Gyro Sensor for self-stabilization. It is easy to assemble and has simple-to-follow Python codes. The kit comes with acrylic plates, Pi camera, 13 x MG90S servos, LED headlight, and everything you need to get started.