If you put them in a body carrier it would be fine. I carried my 2 year old through the whole thing. He didn't want to get down.
No the activites involve navigating steep inclines so you will need your balance.
Yes but very humid so dress lightly.
I would say no. The air is very humid, 95%+, which makes breathing a bit strained. The tour covers some slippery areas and holding on to the railings and a child would be difficult and potentially dangerous.
No
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