Check the emporium 1st. If they dont have it. Ask a cashier which store would have it they can tell you who and how many on hand.
I agree... I went through 3/4 of the park looking for what I wanted as well. When you get to the Park you can ask a cashier... They might be able to steer you in the right direction.
The Emporium seems to have a collection of everything scattered throughout the park. At least that was the case for what I was looking for. Good luck
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