This kit is for people who want to design their own enclosure. It includes the printed circuit board (PCB) and all the electronic components. You will receive everything you need to solder the circuit board as well as the pre-programmed Atmega328 chip, a power supply, a 3V battery and the LED strip.
You will find detailed assembly instructions and many other documents on the project website at http://www.geekoclock.com/support. This kit requires good soldering skills.