TRAVEL-FRIENDLY EDUCATIONAL TOYS: IQ Stixx 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 game list. Brain Games Build Skills: Build concentration; problem solving skills; and math skills while playing SmartGames board games for kids and adults. AGES 7 AND 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. Although it is a single player game; it is exciting to solve challenges with others.