HO Severn View More Images Price: $255.00 Quantity: Scale HO Size 11.25"W x 4"D x 12.75"H HO Scale kit features laser cut acrylic, and cast detail parts. This model is based on a highrise apartment that was built in the 1890's. Our model has seven floors as well as a roof level for mechanical and elevator equipment. Kit features laser cut acrylic parts. Cast detail parts. Tab and slot construction, detailed instructions and photos help with assembly. Download a copy of the HO scale instructions for the Severn Building. Related Products Glue Bottle Price: $4.25 Quantity: