Wallace 3D Printer
The Wallace 3D printer is a very simple 3D printer similar to the printrbot. Its much easier to build then the prusa or the mendel and is also maintained by the www.reprap.org community.
You can find much information about this printer on this link.
For the Wallace 3D Printer you need the following parts:
Also recommended: a heated print bed kit
Building the 3D printer
For building up the Wallace 3D printer, you can take a look at the following page