This is an old post but well worth a read, particularly the comments following the post.
Click here to view http://childrensmd.org/browse-by-age-group/toddler-pre-school/should-i-let-my-child-use-an-ipad/?trk_msg=BB2411NJUHPKD25A7ED6DHRK5K&trk_contact=DPU14EHIJUN7HIFDACEB6OUCF0&utm_source=Listrak&utm_medium=Email&utm_term=read+the+article&utm_campaign=KinderTown+Newsletter&utm_content=5+Must-Have+Apps+for+6-+and+7-Year-Olds
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