"The mind once stretched by a new idea, never returns to its original dimensions." Ralph Waldo Emerson This kids book is a collection of 660 brain teasing riddles and puzzles. Their purpose is to make children think and stretch their minds. It is a perfect activity book for kids who like problem solving. These activities can be shared with the whole family. Let the fun begin Tags: Riddles book for kids, riddles and brain teasers for kids, riddles and trick questions, riddles books, riddles book for kids, riddles for kids, riddle books for kids aged 12-14, riddles and puzzles, jokes and riddles, jokes book, jokes book for kids, jokes children, jokes for kids, jokes kids, activity book, activities, difficult riddles for kids, fun riddles and trick questions for kids and family.