Creation

You create a nonliving object of vegetable matter,
stone, crystal, or metal. The object created must
be no larger than a 5 ft cube, and be of a form
and material that you have seen before.
Vegetable Matter = 1 day
Stone/Crystal = 12 hours
Metal = 1 hour
Gems = 10 minutes
Adamantine/Mithral = 1 minute
At Higher Levels. Each extra spell slot increases
the size of the cube by 5 ft.