Most adults, in the U.S. at least, don't want to be sword-wielding elves long enough to let a gamemaker turn a profit.

FORBES: A World for the Rest of Us

Tethered to a large helium-filled balloon, the 23-pound Sword, as it's known, was able to climb up and down the long cable while workers kept the balloon steady with guide ropes.

ENGADGET: Space elevator robot reaches 1000 feet