Salvageable parts of a baby crib (off bridgeport rd near 85 ramp)

This may be an odd one, but I'm looking for the railing sections of a baby crib that is no longer safe for an infant. We adopted a rescue pup and figured that once she was house-trained we could put the crate away, but she *likes* the den space even if the cat sometimes uses it. So rather than have this big metal cage in the living room, I'm hoping to find pieces of a crib that I can repurpose as a sort of playpen for the pup. Anybody out there with a few too-good-to-trash but not safe for a kid pieces & parts? Thanks!