"Change Miss Granger, my attempts have all been too rigid for you, you need a bit of flexibility, you seemed to respond best to wands suited to transfiguration but now I see that the wand itself must be suited for change" at this 5 wands flew from the pile " try these five, I am sure one will suit you" and so Hermione did, upon picking up the the first wand she felt something, like a dam bursting inside of her flooding through her body and into the wand, waving it around she watched in amazement as the wooden countertop became glass, then steel and then back to wood.