Use the following guide (see link).
Swords
at some toy stores they sell plastic play swords but if you are looking for different swords I'm no help to you there!
Metal
Yes
to buy the game
One can buy Cloud's swords in the computer game Final Fantasy VII. Some of these types of swords are the Buster Sword, the Mythril Saber, the Hard Edge, the Butterfly Edge and the Enhance Sword.
you can buy zanpakuous at sword shops. Usually they have swords shaped and designed like the swords from Bleach. I would recommend the sword shop in san Francisco in the plaza.
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either on google.com or ebay.com
Ebay has alot of them
You may try at swordsswords.com, a very good online platform for swords, knives and daggers.
ownswords.com is a great place to buy swords.