If you don't have an easy way to order an Arduino board or kit, you can etch this PCB design by hand and solder it together. It is pin-compatible with the Arduino Diecimila, and should work with any Arduino shield.
This is the third revision of the board: the Arduino Single-Sided Serial version 3, or s3v3, or Arduino Severino. It was designed by Adilson Akashi, based on the previous version.
These files are licensed under the Creative Commons Attribution Share-Alike 2.5 license.