V.L.
Hi Gillian,
You should absolutely take her. I took my daughter for the first time when she was 18 months and she LOVED it. They have a handful of rides for kids that age and some kiddie pools...we did all of that but her favorite parts were the live shows and meeting all the characters. The shows are about 25 minutes long and they kept our active daughter's attention the entire time. They also have places all over the park where you can wait in line and take pics with all the different characters for FREE (they advertise breakfasts and lunches where you can do the same thing, but they charge quite a bit for those). Also, the tickets are usually 2 days for the price of one, so we drove up during nap time one Saturday, stayed at the park until it closed, spent the night in a hotel, then got to the park when it opened and drove home again during nap time. It was so perfect we did it again this year.