Atlas O 6922 Pratt Truss Bridge Add-On Kit - 3 Rail

Atlas O 6918 Atlas O (TM) Through Plate Grider Bridge, 3-Rail -- Single Track

Atlas O 6908 Deep Rock Gas & Oil -- Kit - Office: 5-1/2 x 5-1/4 x 5-1/4 3 Tanks Each: 9 x 6 x 6"

Atlas O 66905 Operating Oil Pump -- Orange, Black