TheBecause I work a lot with children, I can guarantee you there is no age to appreciate a guided tour!
If you really engage the conversation with kids in a museum or in the street, you would be surprised to discover the city or the masterpieces through their eyes.
That's the reason why it wouldn't be fair to restrict your vacations in Paris to Walt Disney and the Eiffel Tower, because you are affraid they won't get involved with what they see.
A lot of tours can be adapted for children. Find below the tours I especially recommend for family trips.
You are confident your children can follow any tour? Just have a look at the other categories