This is a wonderful idea. I would also suggest picking patterns that would not require any seams to match, points, etc. Although my 89-year-old MIL can out quilt most of us, she is still handquilting pieced tops but not all older women/men are as lucky. You might want to think about tying some quilts as well. A couple of electric sewing machines would really be beneficial. Treadle machines are nice my MIL speaks fondly of her mother using one but would not want one for herself. After having both knees replaced she does not have the ability to work on one.