Create your own cities and towns with this Happy Architect set! This 22-piece wooden play set is made of smooth Birch plywood. These blocks feature a stunning, all-natural wooden feel. The small, lightweight pieces are designed for young hands to easily manipulate. An open-ended activity for unstructured play, this set is ideal to inspire imagination while developing hand eye coordination and dexterity. The pieces are coated with non-toxic lacquer and feature pre-cut grooves for easy set up. Pieces measure 3.5"H x 6"W - 3.5"H x 3.5"W. Ages 18 months and up.