Good training is the key to success in any area. Imagine, the brain is a "muscle," and it, of course, needs to be trained! You are definitely able to "pump" your brain so as to unleash its potential 100%. The main thing is to know how! This book is a simulator for those who want to keep up with the times and in any circumstances be able to think clearly, quickly and effectively. Give time-tested classes only 5-10 minutes a day, and you will not only improve your brain function, increase IQ, get rid of concentration problems and reduce fatigue, but also significantly change your quality of life.