Some of the Tadah Patterns do go up to a size 14 - for example the Gidget dress. Otherwise you could either grade up from a smaller child size or use a young adult. That decision would depend on the individual and whether they would suit a children's or adults pattern...view more better. Hope that helps. Gemmaview less
Each of the pattern pieces are printed on a large piece of paper. Each pattern piece is colour coded relating to age/measurements. You can either just cut out the size you need or trace from the master so you can make multiple sizes. It also comes with an instruction...view more booklet.
Please let me know if that’s not clear or if you’ve any further questions. Regards, Gemmaview less