Several prototypes are developed in paralel to analyze the best performance. The BCNRV-06 is a retractable six-wheeled rocker-bogie that carries a scientific and commercial platform for 6 cargo compartments 10x10x10cm each. This compartments will allocate both the team's experiment SELENA and other payloads, including a second experiment and a minirobot selected within the contestants received at the Minirobot Call for Proposal, open until July 31st, 2010.