100 Logic Puzzles (Usborne)
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 children 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.