Square Enix has announced that there is a preorder bonus for reserving Kingdom Hearts: Dream Drop Distance. GameStop, Wal-Mart and Amazon are all giving away a pack of AR cards and a 360° viewing stand for preordering Kingdom Hearts 3D. The AR cards will be used to unlock special Dream Eaters in the game. Kingdom Hearts 3D releases in North America on July 31st, so make sure you reserve your copy today for the bonuses.