Features: new and high quality RP2040: bit board is a pocket micro-controller. It is an ARM development board for teenagers' programming education. It is only half the size of a credit card (4cm 6cm). Can carry out various cool creations, such as writing video games, musical instruments, robot control,scientific experiments and wearable device development. Compared with the official version of for Raspberry Pi Pico. The crocodile clip is more suitable for children's programming education,and the on-board LED dot matrix and buttons are more playable. The official interface of the for Raspberry Pi PICO is reserved on the back of the motherboard,which can be compatible with the insertion of various PICO expansion boards,and at the same time can be compatible with the insertion of Micro bit compatible modules,with higher compatibility. Specifications: Based on the official RP2040 processor of Raspberry Onboard W25Q16 16M flash memory chip Onboard 5x5 LED dot matrix, each LED lamp can be programmed separately Two programmable keys on the board can be used to control the game or pause and skip songs in the playlist. Size: 6x4.3x1cm Note: The official for raspberry PICO compatible interface is reserved on the back of the board (Shipment without weld), which can be compatible with various PICO expansion modules. Package includes: 1 x RP2040:bit Board