Grove is a modular electronic platform for quick prototyping. Every module has one function, such as touch sensing, creating audio effect and so on. Just plug the modules you need to the base shield, then you are ready to test your idea buds.For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through before your using of the product.Preface - Getting Started: http://www.seeedstudio.com/document/pdf/Preface.pdfand Introduction to Grove: http://www.seeedstudio.com/document/pdf/Introduction%20to%20Grove.pdfContent:1xBase Shield1xGrove - LCD RGB Backlight 1xGrove - Smart Relay 1xGrove - Buzzer1xGrove - Sound Sensor1xGrove - Touch Sensor1xGrove - Rotary Angle Sensor1xGrove - Temperature Sensor1xGrove - LED 1xGrove - Light Sensor1xGrove – Button1xDIP LED Blue-Blue 1xDIP LED Green-Green 1xDIP LED Red-Red 1xMini Servo 10xGrove Cables 1x9V to Barrel Jack Adapter 1xGrove starter kit Manual 1xGreen Plastic Box