You child can use your iPhone as their tool for getting the interactive education. A Japan-based Mobile Art Lab has made an educational tool that appropriate for your kids. This tool is a combination of a book-like construct and software. The tool is called PhoneBook, a kind of iPhone accessory/product special designed for kids.
Once you want to start using PhoneBook, all you need to do is loading the software then slide the iPhone on the book holder. You now are ready to learn the simple match or read stories together with your child.
This product seems to be the first interactive education that utilizes your iPhone. If you want to see how it plays, so just take a look at this video for detail: