We-Do (Maker) 2.0 Set is a new, 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: 1 x Motion sensor 1 x Motor 1 x Hub 1 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!