Boccia is said to be one of the best brain sports in parasports. It was developed as a sport that people with severe disabilities can participate, so it is highly a sporting game that can be enjoyed by children and the elderly with and without disabilities.

However, it is also a sport that is quite difficult to enjoy just by watching because its rules are unique.

“Boccia Ruler” aims to make such a boccia is easy to understand and friendly to everyone.