Accessories
Micro:bit inventors kit ~ https://shop.pimoroni.com/products/inventors-kit-for-the-bbc-micro-bit
Kitronik ~ https://www.kitronik.co.uk/
Spark Fun ~ https://www.sparkfun.com/categories/89
Ideas: https://microbit-playground.co.uk/components/RGB-led-microbit
https://learn.sparkfun.com/tutorials/microbit-breakout-board-hookup-guide/example-cycling-colors-on-an-rgb-led