Complete and practical package: The package contains more than 400 components, which can help you complete interesting and simple electrical experiments. Clear and sturdy packaging: Each component is classified and packaged and placed in a transparent box with clear labels on it, making it easy to find components. Humanized design: The package includes a power module and a USB data cable, and the components can be directly plugged into the breadboard, which is more convenient without soldering. The quality of components is reliable. Compatible with STM32,Raspberry Pi,Arduino and so on.