All factory boards have the same size as the original WotC-boards from the basic game and the extension-sets. So they can be used together with the original boards without any problems.
The 12x12" boards cannot be printed on normally sized paper in one part. The boards are seperated in 4 tiles. There are 4 different layouts used. If you need Adobe® Acrobat® Reader™ it is free to use and you can download the most current version here! Open the PDF, print the file, cut and arrange. It is best if you attach the pages to a more rigid surface like cardboard or construction paper.



