The Class-Class games for Elementary School have arrived to make reviewing school material fun! How do they achieve this? They are based on the logic of question-answer. Each exercise is accompanied by victory points, which excites children and challenges them to sharpen their minds. The exercises are solved orally, so the child can solve them many times without having to sit still in a chair. They are suitable for children with learning difficulties. There is no board, so they can be transported and played anywhere, their original texts are funny and close to children's concerns, the content of the exercises promotes contact with nature, proper nutrition, exercise, ecology, and noble social behavior. They can be played by one player or groups of players. Knowledge becomes a game and is assimilated much more easily this way!