Microbit light show project with external LED crocodile clips and colorful cards
Traffic light with Micro:bit
Amazon.com: Freenove Micro:Rover Kit for BBC Micro:bit (Not Included, Work with V1 & V2), Obstacle Avoidance, Light-tracing, Line-Tracking, Remote Control, Playing Melody, Colorful Lights, Blocks and Python Code : Toys & Games