Put down your phone and entertain your brain with 70 pages of mazes, quizzes and more. There's even a PLAY WITH A FRIEND section! This book is perfect to take on the airplane or to carry everywhere with you, or why not, making a perfect gift for a friend, for your grandma, for your child.Features: Stress-relieving coloring pages Puzzle Find the numbers Sudoku Maze X-0 Kakuro Hangman Kick boredom to the curb, get this activity book to keep your brain fresh and young! Promote relaxation, improve critical thinking, and exercise your mind! Activity level ranges from introductory to expert, making this a perfect all-around adult activity book.