BIG
The ITTF regulation is that the ball has to be 40mm
Taranchulas get quite big, about the size of a tennis ball. xx
you can also use a big rubber ball
An Ostrich's eye is the size of a tennis ball
The heaviest legal bowling ball weighs 16 pounds.
You get an apple, a basket ball, and a huge bounce ball and compare them.
a tennis ball
Its a fat foot ball tennis ball my balls bounce the highest
A tennis ball.
A tennis ball.
Tennis ball