To be clear, you are allowed to BUILD as many robots as you like, and have parts for. You may even use different robots in different MATCHES at the same tournament.
However, as noted, during any single tournament match, you may only bring into the competition area a limited number of electric parts. You should leave any extra electric parts in the pit area.
It is worthwhile for all teams (and coaches, and helpful parents) to read and think about rule 6, Equipment, now, in mid-October, and a week before your tournament. It's hard on the team when the referees have to enforce Rule 6 during a match.
VA/DC FLL Referee Advisor
Rule 6 - EQUIPMENT (excerpts)
Your equipment (robot, attachments, and other accessories) must be made entirely of LEGO elements in
original factory condition.
Electric elements must be the LEGO MINDSTORMS type.
The total number of each electric element you may use in any one match is limited as listed below.
A fourth motor is always illegal, no matter what.
Even if you only plan to run three motors at a time, the fourth motor is illegal.
Even if the fourth motor is a spare, or used as weight, or as decoration, the fourth motor is illegal.
Due to the above limits, you may not use more than one robot in any one match, but its okay to use a
different robot in a different match, earlier or later in the day.
Spare electrical parts are allowed in the PIT area.
Computers are not allowed in the competition area.
Marker may be used for ownership identification, for marks in hidden areas only.
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