You can get on a plane if you don't have an ID, but it's a huge hassle. They have to call DC and get them to pull your records, so it adds a few hours to your TSA experience.
That's like saying "The Monopoly money I have is very real, just not official USA currency."
If they're sitting in your drawer at home, they're a toy. The moment you try to use them as official docs, they're fake and you've at minimum committed fraud.