Activities in this category require cooperation of both brain hemispheres. They force a child to focus on detail, exercise memory and at the same time create a complex picture of the final message. The result of symbol analysis are Latin letters, that is a text that makes sense. These exercises in an unconventional form strengthen the ability to analyze a text and to concentrate on detail. They are especially suitable for children suffering from dyslexia. They are also powerful brain training for all children.