My nephew has been making Transformers out of his LEGO sets for a few months now. I asked him how many hinges he had (thinking he must have a lot). He said "I dunno... 2?"

I went to the LEGO store and raided their pick a brick wall. He'll be getting lots pieces that are hinged, wings for transforming planes, and tons of small plates for decoration. I think he's going to like it.