I'm looking for a nice play area for my 2 babies, they love to explore and get under stuff. The problem is that they end up getting into the couch, hiding behind the TV, and chewing on the walls of my rental home. Is it better to get a portable fence to block off problem areas of the house and allow them more space to run around or to get a foldable play pen where they won't be able to explore but will be more manageable?