We-Do (Maker) 2.0 Set is a , simple and basic programing that can connect the electronic component directly on the computer, Android tablet and mobile phone through Low Energy Bluetooth . It is rich and interesting and easy to operate. Connecting to a PC port requires a separate Bluetooth adapter (you need to purchase a separate We-DO2.0 Bluetooth adapter), and the Android tablet and phone can be connected directly via Bluetooth. We provide tutorials, please contact us if you need. The Maker 2.0 Electronic component and 280 building blocks. Wedo2.0 can be working on software Colour:grey Material:plastic Package Contents: 6 x Motion sensor 6 x Motor 6 x Hub 6 x Tilt sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.