There is no better way to learn robotics and coding than building and programming your own Arduino and Raspberry Pi robots. The Adeept PiCar is a robot car kit for Raspberry Pi 3 that supports real-time video transmission and ultrasonic automatic obstacle avoidance.
You can program this robot with Python. The robot is powered by 2×18650 batteries. The package consists of gear motors, ultrasonic module, servos, nuts, screws, and everything you need to get started.