They flew to the U.S., copied an anvil-launching legend’s setup, and turned it into their most chaotic tower challenge yet. The 100 lb anvil goes first and instantly proves this launcher is no joke.

We built a full anvil-launching cannon and tested everything from tiny anvils to massive 100 lb beasts. Using 1 lb, 2 lbs, and finally 3 lbs of powder, we blasted each object straight into the sky to ...