A system and method for communicating between a single electronic controller and multiple sensor devices in a vehicle supplemental restraint system includes a unique communication protocol. The climbing wall assembly has a plurality of adjacently positioned wall panels, each having an exterior surface adapted for educational purposes. Suction and pressure are provided for driving fluids through a fluid switching system. Such a method is an improvement for the merging of modeled objects. The central pocket within the bib may be accessed from a side portion of the bib and may be sealed with snaps.