Journal
first day: We started working on the rube goldberg and we have a really good idea.
Second day: The drawing of the rube goldberg is going to be difficult to draw because it has a difficult design.
Third day: We have started to build and have worked around the drawing difficulty.
Fourth day: We have built the entire thing and now are finished with it and recorded it.
Fifth day: The write up for the project is done, so the project is complete.