This super smart puzzle book is packed with over 80 exciting and imaginative activities that will get kids' brains into gear. From sudoku and code crackers to logic puzzles and number pyramids, this activity book is filled with brain-boosting problems that will really get kids thinking outside the box. The clear instructions make everything accessible to readers of all abilities, while vibrant, wackyillustrations will keep children excited and engaged. Kids can tackle the activities solo, or challenge family and friends to see who's got the brain power to beat the book! Helping with kids' number learning, deductive reasoning and concentrations, this book is the perfect blend of education and entertainment for kids aged 7+.