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This item is a reward from the World of Warcraft Trading Card Game.
Characters may now possess up to five Paper Flying Machines in a single stack. The Paper Flying Machine has a minimum range, so a player may need to go long in order to toss it. When thrown, the Paper Flying Machine takes a looping and veering path to the target, and will follow if they move.
Paper Flying Machine Kit also can be found listed on the Black Market Auction House.
Here you can buy Paper Flying Machine Kit for EU or US Servers.
Also you'll get guide for receiving Paper Flying Machine Kit
• Paper Flying Machine Kit
• After patch 10.2 might will need character transfer for access to BMAH