When walking around the city or in the park on a sunny day, there is always a chance to stumble upon a carnival game. You know, one of those games in which you can win a prize... if you're lucky. Knock down some pins, bust some balloons, throw some balls into the rings... This all seems easy, but it is almost impossible to win in these games. Why? Well, there's a secret behind them and today we are gonna tell you about it.