There are literally hundreds of companies offering activity holidays for children unaccompanied by their parents. Most of the holidays are in Britain. Accommodation is usually pretty basic and the big draw is all the different activities that children can try. Some holidays specialize in one main pursuit – football, perhaps, or computers. Others offer a range of sports and hobbies. Anyone can open a children’s holiday center. There are no official requirements to meet. In fact, the law makes it more difficult to start up a kennel for holidaying dogs. So you really need to check out a place carefully before you send your children to it. Before you book,…