Slice of Pi Prototyping Board for Raspberry Pi
By Ciseco (K000)
Convienient small break out board for the Raspberry PI. XBee style connector for XRF / XBee / RN-XV / XBT / RF-BEE etc. Has the SPI and I2C pins on one standard 8 way header and the Raspberry PI's 8 general purpose I/O pins on another for easy access. Comes as a kit of parts that needs to be soldered. Construction is very easy and suitable for children with basic soldering skills.
A review of the board - http://www.doctormonk.com/2012/08/review-of-raspberry-pi-prototyping.html