In design we made a few new things to our machine like a pulley and the bridge and the train. The bridge and the train part works like, there is a car launcher that starts the section off and after the car launches the car hits a train that is on the bridge. After the car hits the train, the train hits a marble down I tub.

Our pulley works like, a marble gets hit by dominoes, after the marble gets hit the marble goes down a car track and goes into a cup that goes down and the other cup goes and hits something at the top of the box.

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