One of my favorite pastimes is geocaching. It's a treasure-hunting game that you can play all over the world. Using your GPS, you hunt down a treasure chest (cache container), sign a log book, and exchange booty.
I've been wanting to come up with a "signature" bit o' swag to leave behind. So this weekend I made a bunch of "melty bead" hearts. Nice and lightweight and not too big. I plan on doing a lot of caching this weekend, so I can test them out on the trail.