Ebook: Ready the cannons!: build wiffle ball launchers, beverage bottle bazookas, hydro swivel guns, and other artisanal artillery

The beverage bottle bazooka -- The hydro swivel gun -- The mack-mack gun -- The little corporal cannon -- The tempered steel rubber band shooter -- The shape gun -- Cast metal cannonry -- Mushroom cloud cannon -- Slingshots, high and low tech -- The near-supersonic ping-pong ball launcher -- The wiffle ball launcher.;Offers instructions on how to build artillery devices out of easy-to-find household materials, including a supersonic Ping-Pong ball shooter, a beverage bottle bazooka, and a wiffle ball launcher.