Enhances classroom learning with thousands of math questions for the Pop Quiz game and the Chapter Challenge. This iQuest expansion cartridge contains more than 16,000 questions based on over 20 textbooks used in the classroom. Kids pop the cartridge into the iQuest handheld, then follow three easy steps to the learning fun: 1. Scroll to find a textbook. 2. Select a chapter to study. 3. Play two fast-paced quiz games - complete with audio, animations and scores - to master the chapter material. If kids don't find their textbook, they just select from a list of key age-appropriate topics to let the learning games begin. This product works with the iQuest Handheld (item number LFC40125, sold separately).