The organ called the human brain has been - and continues to be - a puzzle to scientists, researchers and philosophers alike, as well as to you and me. How does the brain work? How does it enable you to learn? "Brain Box" gives you everything for the ultimate brain workout. Flex your brain muscle with the workshop exercises for memory, lateral thinking, concentration and logic. Follow the practical tips and techniques and do the puzzles and exercises to keep your brain active and fit. This box includes: 3-D wooden cube puzzle.