The apron project is the most basic one. From this she can learn about pattern selection, fabric selection,laying out the pattern, pinning, cutting, pressing, straight and accurate stitching. (5/8 seam allowance on an apron) She may prepare and then handstitch the hem for a lesson that will last, and come in handy, for a lifetime. She can then add embellishment if she chooses. (i.e. a monogrammed pocket)
I don't know which one of you will have the most fun, but I'm betting on YOU!