Puzzles are good for your mental health. Research has shown that daily exercises can boost memory and concentration skills. Studies have found a correlation between increased levels of mental stimulat
Designed by three puzzle-book pros and long-time Mensa workers, this brain-bending book is jam packed with almost 100 pages of puzzles--from number stumpers and visual teasers to verbal tests. Kids wi
Hey kids--are you ready to train your brains? This series of fun books will really let kids give their brains a workout! Designed by three puzzle-book pros and Mensa members, these brain-teasing books
This brain busting puzzle book is packed full of tricky teasers for junior puzzlers to solve. With hundreds of games, tests and puzzles that will keep children entertained for hours!Illustrated by Bar
