A precision three-dimensional paper model to comparable with the other two cathedrals of the collection, Notre-Dame and Chartres, in the same scale. An illustrated text gives historical information and step by step instructions for assembly, in English, French, German and Italian. There are 35 colored sheets to cut-out in order to build the model (scale 1:250, base 11.5 x 25 inches, height 13.5 inches).