this crafting stuff looks interesting.

One thing I'm wondering is does any of this stuff expire?

....another thing I'm wondering is where do i learn what to do with what, do I ask about stuff in:

Story, Art and Sound section? Concepts and Creations?

...no information under 'Game Info' either: http://gameinfo.na.leagueoflegends.com/en/game-info/

I guess they want us to poke around a bit and discover stuff for ourselves....