Good choice of kit. If you are buying a discounted bundle from JE Spares, these batteries might also be worth a look:
http://www.jespares.com/electric-mod...tegory_id=1168
RE the upgrades on the Madrat, if its just for bashing I would personally not bother with the alloy shocks/motor plate. If its your daughters intention to race however, it would be cheaper to buy an Xpro than to buy a Madrat and upgrade it (the alloy shocks are excellent but not cheap).