The popular Pairs game (also known as Concentration, Pelmanism, Shinkei-suijaku, Pexeso) to train your kid's attention and memory, with multiple difficulty levels and colorful pictures for girls. You can select the difficulty of the game, between just 4 cards and as many as 28 cards, to suit your child's age and ability. The kids can play this game alone, though parents may wish to explain to them the rules of the game at start.