The book contains the most interesting and exciting logic games, solitaire and magic tricks. - Mathematical games - Games with a chessboard - Entertaining checkers - Unusual chess problems - Dominoes - Corners - Tic Tac Toe - Domino Solitaire - Solitaire - Mathematical Tricks Solving these entertaining tasks will bring a lot of pleasure and joy! And in addition, it will serve as an excellent simulator for developing intelligence, training memory and activating creative abilities. All mathematical games presented in the book are available for solution, even if the school mathematics course is fairly forgotten. In addition, at the end of the book, ready-made answers are presented, often with detailed solutions. But do not rush to look at the answer quickly - do not deprive yourself of the pleasure of the process, the pleasure of insight and the joy of achieving the goal! Attention, parents of young talents! Logic games are organically supplemented with many interesting tasks of the Olympiad and competitive type. They will help your children cope with Olympiad tasks with ease!