The BBC Micro: bit is a pocket-sized computer that can easily realize your creativity without much electrical and coding knowledge. There are numerous possibility of creation you can dig out by micro:bit, from robots to musical instruments.
In order to create more interesting something, we design the Crowtail-base shield for Micro: bit. This shield integrated 6 crowtail connectors and 2 crowtail UART/IIC connectors on board. So you can use plenty of crowtail sensors. All of that you need to know about Crowtail, there is no need any soldering or jump wire.