XO 7-inch Kids Tablet XO-780
[...] Tablets are always a family device shared by children, parents and even grandparents. The XO Tablet is the perfect solution: a full-fledged Android tablet with Google Play for older users and the educational tablet with its own app store for children. Press one icon and the tablet changes to match the user. Parents set controls to limit child access to the Android version.The reviews are mostly positive. And interestingly enough, adults seem to find it equally useful. Follow the link, there's lots more information. I've been looking at tablets, and for the price, this one seems pretty good.
The XO Tablet is a continuation of OLPC's mission to put education and learning--through connected devices--into the hands of children around the world. OLPC's proceeds from XO Tablet purchases will be used to further develop the XO Learning software, to enable region-specific enhancements and customizations and to get connected technology to a larger population of children. OLPC, as a non profit organization, donates software, tablets, and teacher training to schools with underprivileged children in the U.S. and around the world. [...]