Intellect or rock star

Childrens shoe shops! Hannahs feet seem to grow or shrink randomly.
We went to a shop a month ago and were told that her feet were size 6 but we didn't like the rubbish selection they had in, the lady said it was fine to come back in a few weeks as her shoes were 5 1/2 and fine for now.
Today when messured in the same shop her feet are 5 1/2 and we should go back in 3 weeks.
I spend so long sat in childrens shoe shops NOT buying shoes.

Oh! The photo? That's Hannah wearing Grannies 3D glasses. Why? Why not.