We are not responsible for small mistakes that may be there in the content. We have tried to direct you to relevant sites as much as possible, that will enhance concept understanding making it simpler for the children and also giving them a little more than the text book knowledge in an interesting way.
Please don't make it a forceful exercise , we want them to enjoy studying , But we strictly recommend parental or teacher supervision and children should not be allowed to sit and watch these all alone.