At that age cutting can be rather problematic. They just do not have the patience for accuate cutting. Maybe put in some 6 or 8 inch precut squares that she can get right to the sewing part.
or a few fat quarters. At that age I was pretty intriged with sparkly or shinny fabrics and anything purple.
My Mom gave her granddaughter a good pair of sissors that she took to an engraver, and had a message for her on them. No it was not ... Do not use on paper!