At least 4 hours. All day if they want to do ropes. Lunch in cafeteria.
Note: outdoor zoo closed before museum. Do that first if you go in the afternoon. Depending on age and attention span of kids, trying to do all there is to do may be an overload.
about 4 hrs
At least 3-4hours
Five hours so you get to see and do everything
At a minimum 2-3 hours
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