This kids book is a collection of Over 150 brain teasing riddles and puzzles. Their purpose is to make children think and stretch their minds. They are designed to test logic, lateral thinking as well as memory and to engage the brain in seeing patterns and connections between different things and circumstances. It is a perfect activity book for kids who like problem solving. These activities can be shared with the whole family. This book gives you hours of fun-filled entertainment with brain teasers that develop your problem-solving skills in math, logic, and wordplay. Organized as an integrated challenge, these brain teasers build in momentum as they increase in difficulty from classic nursery rhymes to the riddle of the sphinx.