I was wondering if anyone had any ideas of any materal projects (anything that can be built, no solution mixing, etc.) that revolve around chemistry that could be performed through the process of composing household materials or through buying materials from a local hobby store. I am interested in starting a project that is very hands on that may take quite a bit of time and precise building, something that gives a challenge to be completed.
Any ideas of what you guys have built in the past, nothing exceptionally handcrafted, but something to the point of rigging a project together.
For instance, I was thinking about building a mass spectrometer, which would be very difficult and would not perform to the capabilities of a normal spectrometer (since there is no vaccum in the atmosphere...) but it would still be a fun project which allows knowledge and may show some skewed results upon completion. This project is a little out there, but, is there anything that you guys can think of that allows a challenge such as the one above?