The first question that bothers most parents is at what age they should buy a tablet for their kid. When the child reaches an age of about six or seven years old, then they are in a discovery phase. It is not a bad idea to buy a tablet for your kid at this point of time provided the tablet has parental settings.
Secondly, when you invest in a cheap tablet, then you are not worried about the fact that the child may accidently damage the tablet.