There are plenty of STEM robots available for beginners. The MiniBalance ROS Ackermann Robot Car is made for serious developers. It comes with LiDAR navigation, Raspberry Pi brain, built-in PD controller, and everything you need to get started.
You may also want to see:
This robot has an aluminum alloy structure with 60mm wheels. It is smart enough to follow objects and people in any direction. It has a RGBD depth camera to measure the distance from objects in front of it. The companion app lets you view a live feed from the robot.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.