It's not a bad idea. You visit the website and it'll show how many available tickets there're for the particular time slot. There're 2 time slots:10am and 2pm.
Yes tickets should be bought ahead of time.
Yes
You do not need reservations
You get two options - 10 am to 1 pm or 2 pm to 5 pm. You have to pick a time slot.
Yes. You have to buy tickets online it makes it easier for check in
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