This is a 3D-printed product, the parts are in their original colors as pictured, layer lines could be visible if you look at them carefully. This kit may requires assmebly by using glue. Material: PLA Scale: 1:87 2-stairs version: 210 mm(W) x 152 mm(D) x 102 mm(H), 4-stairs version: 210 mm(W) x 268 mm(D) x 102 mm(H), Clearance Under Bridge: 151 mm(W) x 83 mm(H) *** Please choose the variation you want from above drop-down list