The black granite sculpture has a circular surface like a table.

VOA: special.2009.05.06

After using the 3DS to shoot at the targets that later popped up on the surface of the table, a boss dragon appeared that I had to defeat.

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It also required me to stay fairly close to the table surface where the card was, otherwise, the AR connection would cut out if I moved too far.

FORBES: Nintendo 3DS Also Does Augmented Reality, Will Launch With AR Title

Surface, a table with a square acrylic top measuring 30 inches on the diagonal, combines five cameras with Wi-Fi and Bluetooth wireless networking to detect objects and movement.

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