GOAL: Modify a paper cup so it can zip down a line and drop a marble onto a target
DESIGN: The cup will be attatched to a string tied to the wall(other than the zip line). the string will be the distance from the wall to the target. When the cup is relesed, it will go along the path of the zip line untill the string is pulled taught. When the string is taught, it will trigger a lach and the marble will be pushed into a track by gravity. Then it will continue to hit the target. Winner winner. |