Studying for science never felt so cool. Pop these science cartridges into your iQuest handheld by LeapFrog and gain access to study material from your actual science textbook. Simply scroll down until you find your textbook, click on it, and review material, chapter by chapter. Grade-specific quiz activities and questions help you master the material. One cartridge includes over 14,000 questions based on material from 68 science textbooks. Imported.