Scaled to unit block size, this Architectural Wooden Unit Block Set adds classical inspiration to sculptures and children's creations with Roman columns, Byzantine, onion-shaped domes, English tower-spires, Middle-Eastern arches, and even steps. These building blocks provide hours of fun and offer a variety of shapes to play with to really step up those amazing block towers! A great set alone or to accent your existing unit block set. The largest column is 1 3/8" L. x 1 ¼" W. x 5½" H. Ages 3 yrs. .