HOW TO PLAY: Choose a puzzle, snap together your cubes to build the puzzle pieces, and solve; solve the puzzle by arranging the pieces into a square without repeating colors horizontally or vertically SUDOKU MEETS KANOODLE: Visual Sudoku-style puzzle with a Kanoodle twist; Kanoodle is a line of best-selling, viral brainteasers for ages 7–107; build spatial reasoning, problem-solving, and critical thinking skills as you solve MULTIPLE DIFFICULTIES FOR ALL AGES: As you work your way through 100 colorful, tactile puzzle challenges, the puzzle difficulty will increase; perfect brain game for kids, teens, adults, and seniors INCLUDES: 25 Cubes in five colors, guide with 100 puzzle challenges, and double-sided game board that doubles as storage for the pieces; for 1 player, ages 7–107 PERFECT GIFT FOR EVERYONE: Educational Insights toys and games make the perfect birthday gift for kids, teens, and adults, gift for the holiday, or back-to-school present for teachers and classrooms; perfect gift for fans of mind puzzles VISIT the Educational Insights brand store link above for more Kanoodle brain games, brainteaser puzzles for adults, word games, puzzles for kids ages 8–10, and more!