US Patent 8141876 Ball assembly

A soccer ball assembly (10) includes a central mounting core (14) defining thirty-two holes and thirty-two construction elements which are mountable to the central mounting core in an arrangement wherein the construction elements extend radially outwardly therefrom. Twenty of the constructions are hexagonal elements (18) which are hexagonal in cross-section and twelve are pentagonal elements (16) which are pentagonal in cross-section. Each construction element has a spigot formation at an inner end thereof which fits into a different one of the holes in the mounting core (14). In the fully assembled condition, the soccer ball assembly resembles a soccer ball.