The Rube Goldberg machine is basically a long machine that at the end does something simple

I did watch some videos where people also were doing a rube Goldberg machine.

My simple machines that I am using are inclined plane, wheel, and something that is in the lever category. In my sketch there is first there are books that are knocking each other down the last book is supposed to push a marble (or something heavier) to the inclined plane. Then the marble is going to push the car (small toy car) down another inclined plane (which is steeper than the one that the car is going to roll up to) and then rolls up to another inclined plane (which is not steep). It’ll push a soccer ball ( or any kind of ball) this ball, then falls down the scissors which then cuts the rope that is placed right under the scissors to cut the rope. The rope goes over a chair and there’s a bottle (there’s water in the bottle because it needs to be a little heavy) tied on the rope and when it cuts the rope the water bottle knocks down a book which then knocks down three other books. The last one knocks down cups and at the top of the cups there is sort of like a way to a marble way thing. At the ending of the marble way there’s a tiny seesaw at the other end of the seesaw is another marble ( or ball soccer ball or something) that will push another golf ball (because it has to be heavy for the ending), the golf ball rolls down a steep inclined plane and rolls up a not steep inclined plane and hits a golf ball (the golf ball is taped or tied or both on a rope, the rope is taped on the ceiling) it’ll swing to another box (like a small box) there is a water bottle on that box and the golf ball will knock it down that the water bottle (with water filled in it) fills up the glass. I didn’t have to make any changes yet because I didn’t start building yet

Overall, I haven’t started building yet. It was already challenging doing the sketch that has to have eight steps and coming up with something simple at the end. My ending is going to be that there is a water bottle filling up a glass. And I am going to start building it soon.