Are you looking for a great pet that's easy to take care of? Consider buying a fish tank and keeping some tropical fish for beginners. You can pick any kinds of fish that you'd like, in all different sizes and colors. Best of all, fish are easy for children to take care of, and teach responsibility. After your children learn to care for and enjoy their new pets, you'll be able to relax with your family and watch the fish swim happily in their tank.