It's mind-boggling . . . It's addictive . . . It's SUDOKU MANIA Solving Sudoku number puzzles demands no mathematical skills. All you need to have is a good sense of logic, a love of game-playing, and a whole lot of patience! If you have not yet discovered Sudoku, you'll be playing like a pro in no time. If you -- like millions of other Americans -- are already hooked on the game, SUDOKU MANIA will provide further hours of challenging fun Blue Belt Puzzles 31-36
Thirty entertaining, challenging mazes: 3-D constructions, directional arrows, designated stops, and more. From easy "No Brainers" to "Full Brain Overload," which might take hours to solve. Includes "hints section."
Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.
Containing 36 designs inspired by the mystical mandala, this book offers an unusual and challenging array of mazes. Not too easy but not too hard, they're perfect for puzzlists ages 8 and up.
Dozens of intriguing puzzles pose and answer interesting questions based on world history, geography, popular culture, and many other subjects. Alphabet and number codes, picture puzzles, and more, suitable for ages 8–11. Solutions.
Treasury of 300 puzzles features 3D and chess puzzles, connections, dissections, foldings, geometrical and number puzzles, logic problems, matchstick puzzles, mazes, moving pieces, put-togethers, strimkos, sudoku, and visual and word puzzles.
A rich assortment of visual mind-bogglers, including "impossible objects" — constructions that look fine on paper but can't possibly exist in reality — as well as pulsating patterns, vanishing spots, pictures that suddenly change into other configurations as you're looking at them, and much more. 60 black-and-white illustrations.
100 fun nonogram puzzles for beginners These addictive puzzles range in size from 5x5 squares up to20x20 squares. They are logic puzzles, a bit like sudoku puzzles, but when you have finished them, they reveal a fun picture. Inside this book you'll find: instructions and tips for solving nonogram puzzles 100 fun black and white nonogram puzzles for beginners all puzzles have a unique solution, no guessing required grids in multiples of 5s so you can count easily a clue section with just the title of each picture answers for every puzzle Click the Add to Cart button now to try out these fun puzzles. Challenge yourself to complete them all!
Multiplying my age by 6 then subtracting 6 produces the same result as subtracting 7 from my age then multiplying by 7. How old am I? On my broken calculator with keys + - ÷ x =, the only functional number is 7. How can I get 34 to appear in the readout? A country mints four denominations of coins, in whole numbers of cents. It takes four of these coins to make 21¢, or 24¢, or 25¢, or 26¢. What are the denominations of the coins? These and almost 300 other mathematical puzzles appear in this original collection, devised by world-renowned mathematicians, puzzle creators, and devoted puzzle lovers. A unique puzzle project, it unites the efforts of a dozen authors, including software engineer Andrea Gilbert and Bram Cohen, author of the P2P BitTorrent protocol. Seventeen different types of challenges include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchstick puzzles, mazes, moving pieces, number puzzles, put-togethers, strimko, sudoku, visual puzzles, weightings, and word puzzles. The difficulty level of each puzzle is marked by stars, ranging from 2 to 5. Average difficulty level is about 3 stars, promising puzzle enthusiasts many entrancing hours of solving and enjoyment.