Raspberry Pi is a wonderful platform for learning coding and electronics. The AlphaBot2 is a robot powered by Pi 3 Model B+ that can follow lines, avoid obstacles, and do a whole lot more. It has a modular design and comes with WiFi and Bluetooth connectivity.
The AlphaBot2 ships with a base, 2 SG90 servos, 2 DOF pan & tilt kit, 1 x adapter board, 1 x Pi camera, and everything else you need to get started.