A shy yet incredibly creative 11 year old who loves to draw and invent. He dreams that one day his ideas will become real and feels great pride when his work goes up on the classroom wall.
Jack’s sister. 13 years old, bossy, sarcastic and talks a lot but she loves her younger brother (not that she’d admit it).
Jack’s favourite teacher, in fact, all of the children enjoy her lessons. She is also enthusiastic about Jack’s ideas.
The caretaker at Jack’s school. Jack’s always been suspicious of him – he just has ‘one of those faces‘.