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

Atlas O 6919 Atlas O (TM) Through Plate Grider Bridge Add-on Kit, 3-Rail

Atlas O 6917 Wheeler's Auto Dealers -- Kit - 10-1/16 x 8-15/16 x 6-1/2" 25.6 x 22.7 x 16.5cm

Atlas O 6906 Atlas O Master(R) Ice House - Kit -- 14 x 6 x 9"