What I liked most in their churches were the play corners for children during masses.
I'm presuming these are located somewhere on the premises and not in the actual nave (main seating area). I've been in many an Anglican church and there was no play area.
Unfortunately, children must sit quietly at Catholic Mass.
You shouldn't take a child to Mass until they are old enough to do that. You can take them to the church for visits but don't expect them to sit through a whole Mass. They should start going regularly about a year before they make their First Communion.