Transformers gift for 3 year old Nephew

[Smellyferret]

As per the title..
Nephew is 3 and I'd like to get him a transformers toy that is both cool, but also safe at least a bit robust...

Given my ignorance of anything in the new lines is there anything people can recommend?

Budget around a tenner..
Online or supermarkets really from the shops we have here! (or entertainer, although I did check there and wasnt overly impressed!)

Cheers.