Skeletal Formulae of organic molecules are a useful concise way to describe the molecular structure of orhanic molecules. This page includes names and examples of different skeletal structures of organic molecules.
Use blank tin boxes to store cards in card games, like the different cards from 7 Wonders. I bought my blank tins at a speech therapy website called superduperinc.com. I then decorated the tins with photos of the game I found online and printed on sticky label paper.