On our first visit, my 6yo spent the entire meal with his head in a parent's lap. He was terrified. I think part of it was being tired in general, but it was not fun for him.
The next time we ask to be seated in a quiet section and were near the bar. It was better, but he still was not happy.
The third time (over the course of about a year) we ask for a quiet spot but didn't get one. We had to ask to be moved after the first monkey sounds. They put is in a bit of an alcove where DS was content.
If there's any doubt, I would wait until the kids are older.
JMHO.
Sheila