Materials List: Tug of War Battle Bots

Each group needs:

Photo shows two three-wheeled robots facing each other at opposite ends of a board, with a string between them, attached to each. In front are extra pieces, a wheel, a gear and some LEGO pieces.
Figure 1. The activity setup for the battle bots tug of war challenge, including accessories.
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Note: This activity can also be conducted with the older (and no longer sold) LEGO MINDSTORMS NXT set instead of EV3; see below for those supplies:

  • 1 LEGO robot with interchangeable parts including gears, extra LEGO for weights, and wheels; see Figure 1; LEGO MINDSTORMS NXT robot, such as the NXT Base Set

To share with the entire class: