Improving your Memory needs to meet three criteria. This Crossword Puzzle meets the 3 Criteria which is:1. It's New-No matter how intellectually demanding the activity, if it's something you're already good at, it's not a good Brian exercise.2. It is challenging-Anything that takes some mental effort and expands your knowledge will work.3. It is Fun-Physical and Emotional enjoyment is important in the brain's learning process. My store (Gideon's Learning Activities), has lots of Free Brain A