its awesome thing... But.. its kind of be your own doctor.. You better be sure you know what you are doing. my wife works with pre/schoolers and often we talk about the option of do that to our kids, but the amount of stuff you have to prepare is kind of scary.. you really need to be a specialist or update yourself a lot first.. I would trust my wife to do it, but because i see the amount of effort she puts on her education on how to tech and kids learning processes.