Full details of the competition rules can be found at
Key robot requirements can be summarized as follows
Raspberry Pi should be the main one. Other boards e.g. Arduino, Micro:bits can also be used but the Raspberry Pi must retain overall control.
You can use any wireless equipment you like to control the robot. However, when competing on courses the robot must not be physically tethered to this equipment.
Maximum dimensions for main robot chassis. 225mm x 300mm
Attachments to be attached to the FRONT of the robot.