I'm not much of a DIY man, so I need so help there ....

I have problems rotating my food stock, mainly the tin canned supplies.
So I'm looking for diagrams, on how to build some kind of shelves where you insert the last bought cans at the top and you take the oldest can from the bottom .. or something along that line...

I have some ideas but before geting wood panels, hammer and nails, I'd like to find out if there are other possibilites which I have not thought of.. (well ... I'm sure there are... )

Tried to search the net for that subject, but did not get many results (maybe not using the correct words).

TIA.