<p>MENTAL CLOCK is a puzzle game created by a child who used to stare at his digital alarm clock before sleeping. </p> <p>One night unable to fall asleep he started to play with the figures he sees on the clock by adding subtracting multiplying and dividing them. </p> <p>Since this moment he looks forward to going to bed at night to play his game. </p> <p>From children to mathematicians MENTAL CLOCK is an addictive entertaining game that tickles the mind. </p> <p>Easy to play Mental Clock offers several levels of difficulties that is suitable for children and adults alike! </p> <p>Hurry up and find yours!</p>