This is multifunctional module kit based on Arduino development board. Each module has one function such as touch-sensing measuring temperature playing MP3 songs and so on. According to the design concept of the electronic building blocks the module has a standard interface standard mounting holes. You can quickly and successfully complete the development of Arduino projects with the Arduino board IO Expansion Shield bread board wires and Arduino program. It can help the designer greatly speed up the progress of the creative invention or the scheme design. The kit is compatible with Arduino UNO R3 / Arduino Mega2560 R3 / Arduino Leonardo R3.