Compass
note-pad + pen
Lots of lighters
mushrooms cactus or lsd
High proof alcohol(many uses)
5 mile radius walkie talkies - who doesn't like tripping and running off into the woods alone in a place completely unknown to them
.
a Nice pocket knife
some twine or fishing line
old school work/books to burn/notes
I don't think glowsticks are thaaat toxic, I saw some guy drink a few of the small ones.