Quantity   Component name
1 × Raspberry Pi B or B+
1 × microSD Flash card (8GB or more) (Raspbian Jessie needs more than 4G at first but this is reduced by the scripts so the resulting image fits in 4GB)
1 × USB Keyboard
1 × HDMI screen
1 × microUSB power supply, at least 1A
1 × Internet ;-)
1 × Linux host computer (seriously, who uses Windows anymore ??)
1 × A set of bash scripts