The NEZHA Inventor's Kit for micro:bit (without micro:bit) was developed for BBC micro:bits. It contains several sensors.
Modules such as LED, trimpot, soil moisture sensor, ultrasonic sensor, crash sensor, line tracking sensor, etc. as well as over 400 building blocks.
Lego Bricks: Compatible with the prominent points and connectors of Lego bricks and allow you to create new projects with your ideas.
Fischertechnik: Fischertechnik special adapter with more choices
Color recognition system: Special color recognition system, identify the connections of digital, analog and IIC with the colored labels.