I like the repousse workshop a metal artist I know did a while ago starting with an Altoids tin. http://www.metalsmith.org/pub/mtlsmith/V26.1/altoids.htm
A little CW transceiver would be fun. String a wire to a tree out camping and talk to someone in Germany on 40 meters...
Et par le pouvoir d’un mot Je recommence ma vie, Je suis né pour te connaître, Pour te nommer
And by the power of a single word I can begin my life again, I was born to know you, to name you