Corky and Loopy are two perfectly normal girls. But they are also a little bit special . . . Sid is sad because he wants to take part in the big drawing competition but can't work out how the judges will ever get to see his work. Corky and Loopy decide to help and give him a very special pencil from their collection.

The two girls like chocolate biscuits, fizzy drinks and drawing. They are also angels.
Sid the pavement artist is sad because he wants to take part in the drawing competition but wonders how the judges will ever get to see his work? Corky and Loopy, two perfectly normal girls, who like to draw - and who also happen to be angels - decide to help and give Sid a very special pencil from their collection. So begins a bright and colourful adventure from the brilliant Quentin Blake.