Image Item No. Description  4483-2 (Inv)  AT-AT, blue box 1052 Parts, 4 Minifigures, 2004 Catalog: Sets: Star Wars: Star Wars Episode 4/5/6  10178-1 (Inv)  Motorized Walking AT-AT 1121 Parts, 4 Minifigures, 2007 Catalog: Sets: Star Wars: Star Wars Episode 4/5/6