If you are looking to build a circuit to verify that it works you will need to make a prototype. It is an easy way to test your design and great for debugging your projects.

Find products that help you make prototypes of electronic circuits including many types of connector like cables, wires, headers, pins and sockets. A wide selection of breadboards and tools for PCB fabrication amongst other products associated with prototyping.

I2C Non-Volatile Fram Breakout - 256Kbit / 32Kbyte (Id: 1895) - Active Components
Pre-Loaded Noobs 16Gb Microsd Card For Raspberry Pi 2 And 3 Model B - Accessories And Breakout Boards
Spi Non-Volatile Fram Breakout - 64Kbit / 8Kbyte (Id: 1897) - Breakout Boards
Pre-Loaded Raspbian Jessie With Pixel 16Gb Microsd Card For Raspberry Pi - Accessories And Breakout Boards