Travel-Friendly Educational Toys: IQ Digits features 120 challenges. Thanks to its compact size and portable travel case, you can put this puzzle at the top of your family's travel games list. Brain Games Build Skills: Build concentration, problem-solving abilities and math skills while playing with SmartGames’ board games for kids and adults. It’s so fun to play, you’ll forget they’re learning! Ages 7 & Up: This puzzle is perfect for kids and adults alike. With 120 challenges, you’re sure to find a puzzle that tests you and pushes you to think outside the box. While it’s a single-player game, it’s exciting to solve challenges with others. Set Includes: 1 compact game board with transparent lid, 9 colorful numerical puzzle pieces, and 1 booklet with 120 challenges and solutions. Award-Winning: SmartGames is the worldwide leader in multi-level logic family games. Our award-winning games offer levels of play from easy to challenging, and we pride ourselves in making family board games that are perfect for players of all ages.