The Lego 41739 Friends Liann's Room 204pc Building Toy Set is a plastic building toy set featuring 204 pieces. This set belongs to the Lego Friends theme, specifically focusing on Liann's room. Designed for ages 6 and up, the set includes components to create a detailed dollhouse room with dimensions of 15.63 inches in length, 8.78 inches in height, and 7.83 inches in width. The toy set comes in a box packaging and is part of the Lego brand, appealing to children interested in dolls and imaginative play.