"In the late 1960s, Wham-O made a giant Super Ball roughly the size of a bowling ball as a promotional stunt. It fell from the 23rd story window (some reports say the roof) of an Australian hotel and destroyed a parked convertible car on the second bounce."

https://en.wikipedia.org/wiki/Super_Ball

Super Ball - Wikipedia

@vadhakara when I was a yout I shattered my bedroom window by bouncing a Super Ball at my house from across the street and misjudging how hard I could safely throw it. Whoops!