"The iQuest Interactive Talking Handheld from LeapFrog make studying fun. iQuest has more than 1,000 math, science, and social studies questions. 2 game modes (Chapter Challenge and Pop Quiz), a 40,000 word dictionary, schedule/calendar, address book, and calculator. Answer a question like how many bones are in the human body, and get instant personalized feedback on the display panel. Download over 100,000 textbook based questions from the Internet using the Mind Station connector (sold separately)," IMPORTANT TO NOTE: This listing includes three cartridges: (1) Starter Pack (2) Grade 6-8 A and (3) Grade 6-8 B. This listing does NOT include a Mind Station Connector. It's an accessory - not a necessity. PLEASE REFER TO THE INCLUDED PICTURES IN ORDER TO UNDERSTAND EXACTLY WHAT YOU WILL BE PURCHASING. No returns and/or refunds. If you have any comments or concerns, please contact the seller before leaving negative feedback. International shipping is not an option. Shipping charges are based, in part, on the buyer's location. Buyer pays actual shipping costs. Seller is responsible for all handling fees. Customer Service is a PRIORITY for this seller! Have any questions? Don't hesitate to ask. Anxious to do business .... Thanks for viewing and/or considering this listing.