IMPORTANT - EBOOK edition of this book is an PRINT BOOK and not used for activities on the device. The eBook is a provides useful content on the benefits of early learning for children and how doing simple activities that relieves stress in adults, also showing the brilliant activities available in the physical copy of the book. A BONUS link in the book lets you download books with high quality activity book PDF pages with dozens of illustrations that readers can PRINT. The download is optional, it is not the main function or purpose of this ebook - PRINT REPLICA. A puzzle book focused on brain games and picture puzzles would improve one's problem solving techniques and ability. By going through each puzzle, the person is training their brain to solve different problems in different manners. This requires them to use different parts of their brain as well as different parts of their motor skills. Such a puzzle book would also reduce stress and help one to focus.