This design brief could be used as a general design challenge or as a discrepant event for introducing the concept of inertia and Newton’s laws. In any case, students will need to explore the rolling characteristics of each of the cans of soup as well as the other variables that affect their relative speeds. Given the mathematics background of the students, the formula V =d/t could be used to compute the speed of each can (V = velocity, d = distance and t = time).