Well, I guess this idea is an old, but sure value for the contest and perfectly designed to fit ourAltoid tin boxes : dehydrated water ..... <img src="images/graemlins/grin.gif" alt="" />, a must for every one on this forum ; takes literally no place in the PSK !!!
I'll try later on to post a link to an online source..... <img src="images/graemlins/wink.gif" alt="" />

Regards.
Alain