Suitable for pre-school and other age levels beginner applications. 4 of the hollow shapes in the study×4 must be painted according to the rules of sudoku. On a page 4 there are different puzzles. Set total 40 from the page (160 crossword) consists of. The first of the set 20 work level 1, second 20 level of work 2 is set to. Hope it will be useful.
