The diff between 1 and 2 piece is mostly about feel. 2 piece bats tend to take the sting out of mishits while 1 pieceAre there major differences in the way a one piece feels vs a 2 piece bat?
you usually feel way more feedback. Now at 9, does she care...maybe not. But you also dont know if she never swung
a multi piece bat to compare it to for her. She may really like them...never know.