The Everlasting Chocolate Drop

This story is set in the 1950's in London, England, its the time when most people didn't own a refrigerator, TV, Microwave or mobile phones. Children played games like five stones, (Jacks) snakes & ladders and card games to amuse themselves. Its about a very ordinary boy called Mathew who buys a packet of chocolate drops and experiences extra-ordinary events which sees him going from being mildly amused to extremely excited and really not understanding what has happened. Together with his friend Dan they try to find solutions only to end up in trouble at school, they have a code by which they refer to the Everlasting Chocolate Drop so that no-one else can know what they are talking about...