LEGO Architecture Notre-Dame de Paris 4383 Pieces | Experience every stage in the development of an iconic Paris landmark with the collectible LEGO Architecture Notre-Dame de Paris building set for adults (21061). This architectural model kit takes you on a historic building journey beginning in 1163, when the first stone was laid, through architect Viollet-le-Duc’s redesign work in the 19th century to Notre-Dame’s majestic appearance before the fire of 2019.