The "Cup Model" is something we use to talk to people about salvation, but also discipleship and holiness. It's just a very simple way of showing people what is in their cup, how to get it cleaned out and what God wants from them.

How to Get Your Cup SO Full of Jesus that Nothing Else Can Fit

How to Use the Cup Model card

Some discussion about when you are saved

Cup Model Spirals - other applications

For LOTS more on this see the books "Rain Right NOW, Lord!" or "Who Neutered the Holy Spirit?!"