After Joshua, during the time of the judges, where was the ark located? In Judges 18 it seems that the people did not have a central place of worship.
Vayakhel (37:5) says that B'tzal'el built the aron and put its staves into the rings on its sides. P'kude (40:20) says that Moshe put together the mishkan and put the staves on the aron. What gives? ...