1. Support the PXT graphical programming interface developed by 2. Support WINDOWS, MACOS, IOS, Android and other operating systems 3. The programming environment is based on WEB services, no need to download additional compilers 4. Program the computer through USB programming and emulation 5. The mobile terminal wirelessly writes and emulates the program through Bluetooth Supports a variety of mainstream programming languages including JAVASRIPT, PYTHON, MBED C Applicable population: primary school, junior middle school and senior high school colour: black Material: PCB + Acrylic Package Contents: 1 x BBC Development board (random colors, don't accept the specified color) 1 x Battery box (with 2 x AAA batteries) 1 x USB cable (random colors, don't accept the specified color) 1 x Alligator Clips Test lead set 1 x Acrylic Protective Shell Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.