Your score depends on both how long it takes the ball to travel through your ball run and how much paper you use. Remember that there is a potential trade-off in your design. Try sketching your designs out on paper (paper used for sketching does not count toward the total used to build your ball run). Diagram showing the entrance and exit of the ball run with required height above the ground.īefore you start building anything, it is a good idea to brainstorm different designs. A ball is considered stuck if it does not move for more than 10 seconds.įigure 3.
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