Overview: A group of youngsters encounter a mysterious bad-tempered creature with the power to grant wishes.
Overview: Anthea thinks of a wish: but doesn't consider what effect it might have on the baby.
Overview: The youngsters' latest wish transforms the house into a castle : but fortunately Martha fails to notice.
Overview: The children learn an uncomfortable lesson about the implications of making rash wishes.
Overview: The relieved children think they've finally got the better of the mischievous sand fairy; but have they?
Overview: The sand fairy disappears, leaving the children to clear up an appalling mess before their mother gets home.