Better off buying her a Barbie doll or a My Little Pony set, giving an 8 year old an iPad it would be broken inside 2 weeks, a month if a kid is ultra careful, either that or it will be stolen at school
My nephew is 9 and is already on his 3rd mobile phone in 14 months, giving an 8 year old a £500 piece of kit is like setting fire to £500 worth of notes