Frank Lloyd Wright Collection. Dimensions: H: 16″ x W: 7″ x D: 3.5. From the Frank Lloyd Wright Collection®. Solid wood case, walnut finish. 3.5″ x 1″ engraving plate included. Adaptation of an art glass window from the Ward W. Willits House, a 1902 Prairie-style masterpiece, Highland Park, Illinois. Requires (2) AA batteries, not included.