Has anyone ever looked for Transformers in Shanghai?

I'm heading up there in July for a few days with the family but I can't seem to find any info on whether it would be worth my while to try and look at a few places other than a massive Toys R Us.
I know it's a sprawling metropolis not unlike Sydney so I won't have a chance to visit much but I would like to spend a 1/2 day looking if it is worth my time.
Any leads?