I was given an assignment for my Gr 9 science class where I had to build a molecule using some polymer clay which my teacher gave me. I built a Caffeine Molecule. This could be done using Styrofoam balls. This is for anyone who wants ideas for those project or how a Caffeine molecule looks. I don't suggest buying this stuff, because it's pretty costly. It's a small project so it isn't worth a YouTube video. See all pictures and ask questions if you have any and I'll try to answer them.
Be sure to show all double bonds, and the hydrogen should be smaller than the other 3 elements.