A year of Sudoku puzzles hand-crafted by Nikoli, the Japanese company that invented the game.
THE BEST SUDOKU: Every puzzle in this calendar is created by Nikoli, the best Sudoku makers in the world-not a computer-to balance toughness and solvability and keep you hooked.
TRAIN YOUR BRAIN: The week begins with the easiest puzzles and the difficulty increases day by day. Just in case you need them, solutions are printed on the back of the pages.
NOW PLASTIC-FREE!: Page-A-Day® Calendars are environmentally friendly! Printed on responsibly sourced paper and 100% recyclable, with sturdy cardboard backers.
Nikoli is the Japanese puzzle and game company that’s been nurturing and developing sudoku for over thirty-five years. They hold the trademark on sudoku in Japan, and supply 100 percent of the puzzles published in Japanese newspapers and magazines.
This item is eligible for simple returns within 30 days of delivery. Return shipping is the responsibility of the customer. See our returns policy for further details.