- A handy, paperback book, packed with puzzles, games and activities that will put children's powers of logic to the test. - The puzzles include breaking a castle code using patterns on different shields, drawing impossible shapes and lots of mind-bending riddles. - Full of colorful illustrations and space to draw, color and complete the different activities, this book is ideal for keeping kids busy over long journeys and other quiet times. - Includes answers at the back of the book so children can play alone or with a friend.