Micro:bit integrates an acceleration sensor, a magnetic sensor, two programmable buttons, 25 monochromatic LEDs, and other commonly used sensor devices in a small volume. It is a microcomputer for STEM coding education for young kids. Yahboom robot car is a collection of Micro:bit board, learning kits, and expansion boards. Micro:bit game handle controls Yahboom''s micro: bit series robot car.If you''re worried that your child can''t control micro: bit robot because of lack of mobile phone, you can choose this compact and affordable control handle.