The solution of crossword puzzles develops thinking, broadens the mind, promotes concentration, in general, what can I say – this is a useful pastime and at the same time enjoyable. It is better to train your brains from childhood, so we offer Crossword Kids for all kids – a special crossword puzzle. It is different from those that are adults and so interesting. Before you are three open books, on their pages are numbers in a chaotic order. You must find numbers that do not repeat. As soon as you find it, click on the number and the star will appear. Heave Fun! Use your mouse to play the game or tap on the screen!