To be sure the kid won't accidentally/purposefully: - factory reset the device - delete all your emails - dismiss a (very important notification/message) -

To be sure the kid won't accidentally/purposefully: - factory reset the device - delete all your emails - dismiss a (very important notification/message) - spend $$$k on micro transactions - change a random setting you never knew existed and don't realise why things suddenly stopped working (I'm thinking here of young kids below the "understand the technology/responsibility well" age, possibly not able to read yet)