GeauxRobot GPIO Expansion Kit for Raspberry Pi 2 B and B+ (4-layer PCB) Including an adapter, a breadboard, a 40-pin ribbon cable and label/connection instruction. Already assembled. No soldering required! IO pins are arranged in the same order as Pi B+ (see included instruction picture) Recommend using together with GeauxRobot compact case and Dog Bone Case Raspberry Pi and Cases are NOT included