The developmental book «1000 and 1 Puzzles» - mazes, find the differences, find the odd one out, continue the series, word searches, crosswords, counting tasks, Sudoku, decode the phrase, find hidden elements in the picture, and many others. Various tasks will help the child not only to have fun but also to develop logical thinking, memory, attention, and creative imagination. This is an excellent trainer for the development of thinking, attention, memory, and fine motor skills. By solving tasks, the child trains memory, develops imagination and spatial thinking, attention to detail, practices counting, and prepares their hand for writing. A book for independent reading, for leisure, for the whole family.