"Fresh" (and open/unwrapped) food has strict guidelines around temperature control and the length of time it can be left out. I would suspect that there would be insufficient turnover in the kids zone to warrant it. However, if they turned it in to a Child and Child-like zone, with chicken nuggets, mini burgers, french fries etc whilst playing the original episodes of Danger Mouse, I think it would be a lot busier and attract "older children"...