LEGO Minecraft The Modern Treehouse (21174) toy for kids 9 years old is a large, detailed and extremely versatile playset that will give enduring pleasure to Minecraft players and any child who enjoys creative construction. This endlessly reconfigurable Minecraft treehouse toy has 4 very different rooms with a variety of authentic Minecraft accessories. The set invites kids to rebuild and reconfigure the dollhouse again and again and to explore imaginative play-and-display possibilities that never end. Rooms don’t even have to be attached to the tree. The set is ideal for children whose imaginations stretch beyond the walls of a traditional dollhouse.