Benoit-1842, Sket2Cr
None of the answers you received mentions a solderless breadboard. You buy a solderless breadboardn(about 390 point in your case), and a wire spool from Radio Shack (solid, not stranded), and create some jumper wires. The Arduino board has i/o connectors that accept jumper wires. There is nothing to solder. That way, you can use both boards over and over. Another solution is a protoshield; most of them have a solderless breadboard on them, albeit fairly small.
amcduino