Micro:bit board is launched by BBC which aims to help children at or above 7 grade to learn programming better. Micro:bit board has abundant board resources like 5*5 LED metric dot array, 2 buttons, USB ports, a 16MHz, 32-bit ARM Cortex-M0 microcontroller etc.. It is only pocket size but very powerful. You can program, customize or control it at well. For example, you can use 5*5 LED metric dot array to flash messages or numbers; you can program for the 2 buttons on mibro:bit and use it to control a game, a toy car or a toy airplane, etc..