Learn about how to build you own in 4 steps

o   Basic Lego robot: a remote controlled one that explains about the mechanical and electronic components

o   Microbit robot: a basic robot using two microcontrollers: one for the robot steering and the other for control https://www.kitronik.co.uk/blog/build-microbit-controlled-zumo-buggy/

o   Arduino robot: a more advanced robot that can be programmed in various ways (line following, maze solving) https://www.pololu.com/category/129/zumo-robots-and-accessories

o   Advanced Robot: using vision (AI) to perfrom tasks

o   Pixy2 camera on Zumo chassis: https://docs.pixycam.com/wiki/doku.php?id=wiki:v2:pixy_zumo_howto (pixy2 cam needs to be ordered)

o   Alphabot with both Arduino and Raspberry pi https://www.waveshare.com/wiki/AlphaBot