Those that can read should take turns in reading as well as in prayer. Even the little tots can say a few words in prayer even if they cannot read. They can be taught songs in which all can take part. Take time for discussion, answering questions, solving problems, and for self expression. All have some.
Children especially are inquisitive and want to know.
Do not spend time in criticizing or gossiping. There is nothing that will sour the whole thing more than engaging in tearing something or someone apart. This is not time to air church problems unless for a matter of prayer. Make sure that you do not have roast preacher. Remember it is a worship time.