Total weight is including the external power bank?
Yes
For competition 2: the string for competition is prepared by the organizer?
Organizer will only prepare one set of #1261,Teams may bring the following items as listed in the regulation.
If the robot did not perform the siren sound etc, so it will not get any score for mission 4, right?
Yes
In the video and guide book, it is written that can not use the string in 1261, so must use other string?
Yes, for "the cable car" ,can only be built using the components in the box #1261.
The transparent plastic box (#1033) and the 2000mm STRING (R39-W85-200) can not be used.
2025 R4M Basic and Advanced Robot can use #18650 battery, right?
Yes
can a team change the design during the 6 minutes competition?
It is allowed to arrange command cards, map cards, and modify the robot's appearance or mechanism within 6 minutes competition.
However, any changes to the appearance or mechanism must still comply with the size limitations.