Build a Bristlebot That Goes as Straight as Possible.  You will be supplied with a motor, AA battery and toothbrush and have access to tape, electrical tape, wire, wire strippers, scissors, popsicle sticks, elastics and anything else you can scavenge. 

The goal is to have Bristlbot travel six feet on a 3 foot wide course.

Journal must include:  a description of the challenge (2), brainstorming (images or words) (4), design (6), build, structure and performance (4), reflection, conclusion and improvements (4).