Fantastic Beasts and HTTYD allows Universal two experiences which they somewhat have exploited with Jurassic Park/World but really need to take advantage of if the goal is to remember emotion and fantastic memories. What generally is a popular experience for your children and even some adults? Petting zoos and they have rights for two things that are major things that can utilize that idea for amazing guest experiences.
Hopefully the time the park opens technology with evolve for highly durable AA that can withstand being petted and touched with AI embedded to respond to the guests. Imagine you are sitting and the baby dragon AAs respond to you sitting and come up to you wanting to interact with you. I'm talking full out interact with you so responds to your voice, your touch, your movements.