There is no discussion in the rules on how motors are connected. Remember, if its not prohibited, it is allowed. Rule 4, bullet 5 says: MOTORS - You are allowed a maximum of four MINDSTORMS motors in the competition area. Choose your favorite combination from among the LEGO-manufactured types shown here. No other motors are allowed. Brian Sent from my iPhone On Oct 4, 2013, at 12:31 PM, Rahman Rasulzada <[log in to unmask]> wrote: > Ev3 has 4 port. So is ok we can use 4of them in FLL competition > > To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". > VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-announcements-l.html to subscribe. -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.