Bring the classic Tower of Hanoi puzzle to your classroom or home — with a memory twist that makes it a true brain workout! Students move a numbered stack of discs from one stick to another, recording each move and racing to match the optimal (fewest-moves) solution.Why the memory twist matters: In the higher levels, players have to hold the position of the discs in their mind and plan several moves ahead before acting. This builds working memory — the brain's ability to keep and manipulate info