There is no better way to learn about robots and coding than building and programming your own robots. The Freenove 3-Wheeled Smart Car is a Raspberry Pi robot kit with app control. It is compatible with Pi 4B/3B+/3B and other models.
The Freenove Robot car has two modes. It ships with HC-SR04 ultrasonic module, DC motors, smart car shield, RGB LED module, passive buzzer, and everything you need to get started. The companion app is available for iOS and Android devices.