In the fall of 1999, at the initiative of the Maly Mehmat, lectures for schoolchildren were resumed, which are given by professors and teachers of Moscow University, famous scientists and teachers of Moscow. Lectures are held on Saturdays from 16 to 18 hours in the auditorium 16-10 of the main building of Moscow State University. They are devoted to both modern mathematics and mathematics of the past, but each time - expressive, beautiful and meaningful plots. Selected lectures are supposed to be published in the series "Library "Mathematical Education""