Kids Sudoku Puzzles and Coloring Book Two year old kids or even younger should be playing around with letters and numbers and what better way to develop their thinking and writing skills than this Sudoku puzzle book. It has some really cute and fun animal figures to color to help keep them engaged. There are 60 puzzles in this large size 8.5" x 11" book to start them off, ranging from very easy to hard. One puzzle and one animal...