61131 Classic Line Concrete Plant Silos, Building Kit (HO-Scale) $63.99 Default Title - $63.99 Quantity Please fill in the form below if you'd like to be notified when it becomes available. 61131 Classic Line Concrete Plant Silos, Building Kit (HO-Scale) Dimensions: 340 x 210 x 190 mm / 13.4 x 8.3 x 7.5"