Customer of the day

(customer) Do you sell kids shoes?
(me) Yeah, they're over here on the bottom shelf.
(customer) Do you have any to fit, like, a 4 year old?
(me) I'm not sure. They range from size to to size 6
(customer) Do they fit a 4 year old?
(me) Is he between a size 2 and size 6?
(customer) No. He's like a 9 or 10 in toddlers.