After you got your Raspberry Pi 2 Model B 1GB & B+, you might have enjoyed the open source function and code, but don't forget this, they are also able to interact with external hardware as embedded system. so get this kit, and start it! we also provide pdf files about how to control them. you will have much fun for doing this! 

This 40Pin GPIO Extension Board is already soldered and assembled. so buyer just need to plug it in, then there you go! 

The Raspberry Pi B+ has landed on the Maker World like a 40-GPIO pinned, quad-USB ported, credit card sized bomb of DIY joy. And while you can use most of our great Model B accessories by hooking up our downgrade cable, its probably a good time to upgrade your set up and accessorize using all of the Model B+'s 40 pins. 

That's why we now carry the Sintron GPIO Board Plus with Color 40 Pin Ribbon Cable for Raspberry Pi B+,PI 4