Please be very careful, and get familiar with the currency! E.g. how much value is a quarter, a dime, a nickel etc. I got cheated when the shopowner gave me some coins from I believe South American countries as change, instead of the proper US currency coins. This particular shop is on Fifth Avenue, near American Girl Place shop. Unfortunately I don't have the exact address - i wrote it down on a piece of paper and I misplaced the paper. I think it's near 41 St....
The place is just called NY Souvenirs
Some of these jerks just cross the street without looking. And then they get hit and whose fault is that?
Try and ride in a car with other people. To ride alone you could be mug. And try and put your money in different area on your person.