We-Do 2.0 Set is a simple and basic programming kit that allows electronic components to connect directly to a computer, Android tablet, or mobile phone via Bluetooth Low Energy. It is user-friendly, engaging, and easy to operate. A separate Bluetooth adapter is required for connection to a PC (sold separately), while Android tablets and phones can connect directly via built-in Bluetooth. The set includes tutorials for guidance. The Maker 2.0 kit contains electronic components and 280 building blocks. WeDo 2.0 is compatible with compatible software applications. Color: Grey Material: Plastic Package Contents: 1 x Motion Sensor 1 x Motor 1 x Hub 1 x Tilt Sensor Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual product. Measurement may vary by up to +/- 1-3 cm.