Raspberry Pi + SD card loaded with Raspbian Wheezy OS powered USB hub with a 5V power supply. micro USB cable to power the Pi network connection or USB wifi dongle for the Pi webcam SainSmart 1602 I2C display Logic level shifter Some connection to the Pi GPIO – IDC connector, ribbon cable and electonics prototyping breadboard resitors LED microswitches a length of thin wire Some kind of box (we used lego)