Our life is full of various events that may be either pleasant or sorrowful. Even the adults re not always able to cope with their grief. The children haven’t developed the adequate mechanisms of psychological self-defense. That’s why they need help to cope with their emotional burden.
Of course any loss is a serious event that matters a lot for a child. The loss of a favorite toy, a pet or even a relative may appear to be a hard strike for the child’s fragile and sensitive psychics.