I would get either a china clone or a crf50. Training wheels can be bought pretty easily. Wheels for Tots or something like that offer some but they are pretty expensive. If its her first bike... you may want to get her local lessons. Motocross University in Arlington teaches out at village creek mx park weekly. Their site is
www.motocrossuniversity.com Hope that helps
_________________________
Mike Smith
Killer Motorsports
2021 Airport Freeway
Euless, Tx. 76040
A shop for pit bike anything!!