They are all loose/mint, just displayed on a shelf, $5 each.
Imperial list:
1) tie interceptor red
2) darth maul speederbike
3) scouttrooper speederbike
4) imperial shuttle smokey cockpit
5) deathstar
6) at-rt clone walker
7) clone gunship black/gold
8 ) super star destroyer w/white little destroyer
9) at-te 6 leg
10) clone star destroyer red stripe
11) AAT tank clean
12) AAT tank dirty
13) grevious fighter
14) vader tie fighter clean
15) vader tie fighter dirty