The WCH7 used as base for adaptation the hall handball rules for the wheels chair practice. It has as the main principle to ease the access of wheel chair users that do not have possibilities to practice other sportive modalities. 

The WCH4 used as base the sand handball to adapt the rules, and has as principle to develop a game that presents a plasticity that is attractive to the communication media, contributing for the diffusion of the wheel chair handball.