This is a small controller with 6 buttons that is great for teaching kids how to use the GPIO pins on the Raspberry pi using ScratchGPIO. Scratch is a fun easy to use GUI programming made by MIT. ScratchGPIO allows scratch to use the pi's GPIO pins for inputs and outputs. Instructions on how to install and use the ScratchGPIO are on, (http://cymplecy.wordpress.com/2013/04/22/scratch-gpio-version-2-introduction-for-beginners/)