score:8
Not with kids of my own and it being a while since I was that age, I'll leave it to you to decide, but Wikitravel's New Orleans page lists several childrens' attractions in the city:
I can attest to finding Melbourne, Australia and Christchurch, New Zealand's trams to be quite the novelty when I was younger. When I was older too, but that was when we hired the tram out for company drinks :)
Upvote:0
The other answers have given some good ideas of specific activities for children in New Orleans, but I will add that there is as much to do there for children as in any other city. The Bourbon street area for which New Orleans is famous is obviously not for kids, but the Garden District, the Warehouse District, the Bywaters, and even the rest of the French Quarter are all interesting areas of the city which offer as much for children as interesting areas of other cities.
Upvote:4
Here are a buch of good ideas I pulled from this blog post on the same topic:
There are some other good ideas there as well. Having grown up in New Orleans, in the city itself, I can say that New Orleans (and even Mardi Gras!) is a family-friendly town, pretty much as long as you are outside of Bourbon street. Take the kids and have a great time!