The Omnitrix watch is a great help to Ben, without it he could hardly fight the periodic invasion of various evil representatives of various races from other planets. But suddenly the hero learns that there are many such watches, and this is a clear threat and must be eliminated. Ben chose the image of Cannonbolt or Cannonball. This powerful member of the Arburian race is from the planet Arburia. The peculiarity of this creature is that it can turn into a bronze ball that can pierce anything. You have to launch the ball with a catapult. To destroy all watches, wherever they are in Ben 10 Omnitrix.