Archie's jealous because his big brother Oliver has returned from a party with a party bag full of goodies. When Mom suggests that Archie gather his own bag of treasures, he sets about collecting enthusiastically; first a shiny conker, then a red leaf, some juicy blackberries, some teasels and, best of all, a beautiful glass marble. But then a magpie spies the glittering marble and steals Archie's bag. Who will help Archie? Who'd have thought it would be his brother who comes to the rescue! A story about sharing and caring, perfect for jealous siblings.