Some of the free casinos offer free practice sessions to the players, in which they can learn various skills and techniques associated with their favorite casino games. Most of the free casinos offer a variety of games to play, each offering multiple versions. All games have their own techniques and all card games have jargons of their own. If you are a beginner, you need to learn all these aspects of the game.
Even if you are a pro, you can try out new strategies and techniques of winning, without taking the risk of losing. After all, you do not play with real money in free casinos.