For your dollhouse. This 1/2-inch scale staircase comes complete with a finished riser/stringer assembly. It has 13 treads and 13 balusters, two newel posts, one handrail that have to be installed. Riser/stringer is 1 9/16"W (1 5/8"W with tread) x 7"L It is adjustable for ceiling heights up to 7".