The last time he had been to Platform 9¾ was when he went to school with Albus, so he hasn't been prepared for all the people and changes; the train is a lot longer now than it was when he went to school, and even the children look taller to him now, much more grown up - and more colourful too. A boy with pink hair runs past him, laughing, towards a crowd of other kids, all almost as tall as he is.