Carnival Island

With “won” it means “bought”. This is where all your sweet tickets will be used. There are a total of 59 prizes and balloons to buy so just get going. Besides the normal prizes there are also 4 unique (more expensive) prizes you can interact with.

For the normal prizes you'll need 1160 tickets
For the unique prizes you'll need 625 tickets
Meaning you'll need 1785 tickets to buy the prizes.

Besides the prizes you're also required to get every balloon (see Balloon Boon). These are bought at the 4 different Balloon Carts - one in each part of the park. For the balloons you'll need at least 180 tickets (around 450-500 tickets is recommended).