Cruising can make for a relaxing family vacation — especially since parents don't have to worry about getting dinner on the table every night. And regardless of your kids' appetites, you can rest easy: All the major lines have children's menus geared towards the 12-and-under crowd, with "picky-eater" favorites such as mac and cheese and hot dogs paired with veggies that everyone can feel good about. Read on for the options for kids on 10 major lines.