Just look! What is different? Close your eyes for a moment and something is different. One of the face-up cards is turned over, which changes the image slightly. But what is it all about? If you discover the difference the fastest, you can add one of your cards. Whoever is the first to get rid of all of his cards wins.
A fun perception game for little beginners by the Halli Galli successful author Haim Shafir.