The item ID for Dragon Bone in Skyrim on Steam (PC / Mac) is:
To spawn this item in-game, open the console and type the following command:
player.AddItem 0003ADA4 1
To place this item in-front of your character, use the following console command:
You receive dragon bones when killing the various types of dragons that fly around Skyrim or that corner you in the hopes of ending your life. They’re very valuable and are therefore used by most Skyrim players to build up their gold supply by selling the bones to shopkeepers in the game.