| Footballs used in association football or soccer have a | | | | footballs were anything that was suitable for kicking. |
| circumference of 27 to 28 inches. It weighs around 410 | | | | Stitched plant leaves filled with soft materials, skulls, |
| to 450 grams and is inflated to a pressure of 60 to 10 | | | | animal bladders and similar objects were used as |
| kPa. Footballs are usually covered with leather. But, | | | | footballs. Ancient cultures around the world is said to |
| today different types of materials are used to cover it. | | | | have used objects similar to present day football. Pig |
| The footballs used in modern day games are stitched | | | | bladders were used as football during the medieval |
| from 32 panels of leather or plastic. Leather and plastic | | | | period. Rubber was used during the 18th century. The |
| used in football should have waterproof property. It is | | | | first vulcanized football was designed and built in 1855. |
| also stitched from 2 regular pentagons and 20 regular | | | | Inflatable rubber bladders were developed in 1862. |
| hexagons. Truncated icosahedron is the name given to | | | | Soon the English Football Association brought in the |
| the 32 panel. It is quite similar to the polyhedron but is | | | | rules regarding footballs which were changed several |
| more spherical. The spherical shape is due to the | | | | times. The 20th century saw the evolution of football |
| pressure of the air inside the football. | | | | into its present day characteristics. High tech designs |
| Footballs have a long history. It is the product of the | | | | and materials are used in the present day footballs. |
| pleasure that we get by kicking something. Earlier | | | | |