The LED Cube described on this page is a simple 3 * 3 * 3 single-color LED cube. It is one of our easiest workshops, employing only through-hole components and thus specifically suited for introductory courses on soldering.
If you are interested in a more detailed view on the used software, check out Building from Source, where building the source code is explained.
If you want to learn how your cube actually works, read Understanding the Electronics.
Hefee has created a very cool Case for the PCB, which can be printed on many 3D printers.