At Silversands Casino you can play any of the casino games in practice mode for free for as long as you wish, or you can play for real money which you can do in multiple currencies. The game experience is exactly the same. The only difference is that whether you win or lose, it will either be with virtual or real funds.
Even if you enjoy playing for real money, when you try a new game, it is a good idea to play in practice mode for a while to hone your skills and to get to understand the game. At any time you can switch from fun mode to real money and back again.