World's Biggest T-Shirt Cannon!
Have you ever been to a huge sports game and at half time they shoot t-shirt cannons and maybe you can catch one?
Thatâs fun, but whatâs not so fun is if youâre sitting so far up that the t-shirts canât even reach you!
Mark Rober teamed up with 12-year-old Anthony who wants to be a mechanical engineer, and together they built the worldâs largest t-shirt cannon.
Itâs so powerful, it can actually shoot a t-shirt over and above a 30 story building!
Check it out:
