BRAIN TEASERS ARE ONE OF THE BEST WAYS TO TEACH OURSELVES TO THINK DIFFERENTLY. THEY SHARPEN PROBLEM-SOLVING SKILLS, RESOURCEFULNESS, AND FOSTER A POSITIVE ATTITUDE TOWARD CHALLENGES AND OBSTACLES. EMERGING SCIENCE HAS DEBUNKED THE MYTH THAT INTELLIGENCE IS SET DURING A YOUNG AGE. MEMORY, PATIENCE, COMPREHENSION, AND OTHER COGNITIVE SKILLS CAN BE INCREASED LONG INTO ADULTHOOD. NEVERTHELESS, BEING A LIFELONG LEARNER DOESN'T HAVE TO MEAN LONG HOURS OF STUDYING AND MEMORIZATION. COMPLIES WITH CPSIA. 5 1/2" W X 8 1/2" H