By A Mystery Man Writer
Bowling Ball Cannon
Cannonball from Civil War era destroyed in South Dakota - Jamestown Sun
Bowling Ball Cannon Can Shoot Over Half A Mile
Robert Kirby's Bowling Ball Cannon Destroys a Washing Machine
Bowling Ball Cannon Shoots Balls Over a Mile!
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Bowling Ball Cannon - Distance Test
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Neighbour arrested after bowling balls fired from homemade cannon kill horse - World News - Mirror Online
Cannonballs: Size Matters
5 Awesome Hydrogen Explosions
Bowling Ball Cannon in a Jeep!
Wisconsin man fires bowling balls from cannon, neighbor's horse found dead