Nuna MIXX Next Stroller + PIPA RX Travel SystemPack up and go anywhere with MIXX next. On the move, its a smooth ride you can maneuver with one hand and lay flat for newborn comfort. The MIXX next includes a compact fold away axle, and MagneTech Secure Snap the self guiding magnetick buckle that automatically locks into place. Packed away, its compact fold lets it fit into tighter spaces, so you can take more trips to more places. Four modestravel with MIXX next paired with a bassinet or PIPA