Microbit

a small, programmable computer that teaches coding and It’s designed to inspire creativity.

inside of it has a 25 led, include like running text, emojis, of your custom text and emojis,

there is two interactive buttons, and a small mic, there is two version of Microbit, including v1, and v2, the v2’s logo in the up in the led can be touched, and can make a sound, meanwhile v1 cannot, but both of them have compass, that can be programmed