Hi
These objects are random each time you play so a walkthrough would be of no help
granted its not always easy finding stuff with the magnifier in the dark so if your running short on time now with the last chapter and you still having to solve the last puzzle you most likely will need to restart the level..sorry
But it took me 3 times to finally get to the end
For the gem box its a small brown wooden looking box, its never at the same place each time you play ,,
For solving the last puzzle take a look below in the 'Gem' question
Good luck
Edited on 08/05/2009 at 3:22:02 PM PST