Play, Solve. Tasks for Developing Attention and Logic

Zhenya Katz is the author of the popular method "Myshematics," the creator of a network of math circles, an expert on Olympiad problems, and the author of several blogs.
The developmental workbook with puzzles and non-standard tasks for family leisure, interesting recreation for a child with a parent, and versatile development. The tasks vary in difficulty, but all of them will be useful for both older preschool children and elementary school students.