Amazon offers Mensa 365 Brain Puzzlers Page-A-Day 2023 Calendar for . Eligible for free super saver shipping. 

Product Description:
A year of word puzzles, number problems, logic challenges, and other cranial conundrums, designed to push your neurons to the limit.
Mensa 365 Brain Puzzlers Calendar takes puzzle-solving to the extreme, delivering a daily brain-bender that’s so tough, it’s sanctioned by Mensa, the international high-IQ society. Test your mental mettle with word ladders and squares, rhyme schemes, secret codes, pangrams, mazes, clever Sudoku variations, and math riddles that work every brain cell: Kapil is three times as old as Umar was five years ago. In seven years, Umar will be as old as Kapil is now. How old are they now?* If your gray matter isn’t up to the task, no worries—answers are on the reverse side of each page. Printed on responsibly sourced paper and 100% recyclable.