No, no, you can't actually seal a Metroid. They, happily, do not exist. You can of course seal a Metroid cartridge, provided that is you are a factory operating back in the 80s. You can also ignore this incredibly silly bit of text and bid instead on this factory sealed Metroid (NES) by Nintendo. It is of course a true rarity, as the vast majority of gamers has been sensible enough to actually enjoy their copy. Seller ships worldwide and don't expect to pay much less than $200.