Marble Machine Day 1: Planning

So today starts the first day of planning for the marble machine project. Now I have created some blue prints of what my machine is going to look like(If I figure out how to post it). It starts out on a platform with the marble on it, then the marble will travel down these two metal pipes into the coil. It will go threw the coil for three rotations and shoot out onto a concave pipe where it will roll down into a half of a sphere with a hole cut out at the bottom and into a cup. And that will be the end.