Train and trim the small gray cells with this little puzzle that is a perfect company on the journey or on the way to work. The game stimulates the brain and exercises your ability to solve problems. You put the pieces in different combinations, which are graded in 10 different levels, from preschool level to Einstein. The puzzle is placed in the box or built as a pyramid on top. Contains 12 pieces and has 505 different solutions. From 6 years.