Puzzles for shifting matches or searching for logic in a number series are simple and at the same time meaningful entertainment. Chinese psychologist Liu Beifeng has developed a whole series of intellectual test games aimed at developing the flexibility of thinking. They are useful for both first graders and adults.
Puzzles for shifting matches or searching for logic in a number series are simple and at the same time meaningful entertainment. Chinese psychologist Liu Beifeng has developed a whole series of intellectual test games aimed at developing the flexibility of thinking. They are useful for both first graders and adults.
Eksmo, 240 p.