mini's-training ball used to work on touch 2-5 sizes depends on your age what regulation ball is yours size 5 ages 12 and up
there are different sizes and colors
sizes 1-5
3, 4, and 5
No. A soccer ball is round.
almost 17 but it varys with the net sizes.
different colors, different weights, different sizes
balls such as soccer ones are harder because they are made of different materials such as ruber balls or many other materials
different sponsors
big balls
People of different sizes/ages need different weight balls
Balls are a spherical shape that has the diameter of PiR2. These spherical object are made in many sizes both by man and by nature. When man made, it is usually a child's plaything and is made of rubber, latex, or other material. Many types of balls for sports exist. Some of the more common ones are soccer balls, basket balls, footballs, rugby balls, golf balls, and tennis balls. Note that all these objects are different sizes designed for the sport in which it is used.
Same reason that shoes come in different sizes. People are different sizes.