There is an alternative to pricey tablets, the UbiSlate 7Ci by DataWind. This 7-inch Android 4.2.2 tablet costs just $37.99.
Tech Specs: UbiSlate features a Cortex A9 (1GHz) processor , 512MB of system memory (RAM) and 4GB of internal storage. There is a microSD card slot capable of supporting memory cards up to 32GB each. Built-in Wi-Fi (802.11b/g/n), the UbiSlate 7Ci tablet supports external 3G for mobile broadband data connectivity.
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source: Datawind and Yahoo