We thought this would be a three- or four-year project. We never thought it would be more than eight years.

We're one of the first films to use the digital revolution, and it feels like we're the last one to get finished.

It was all incredibly surreal and crazy.

We sent the film hoping they would consider it for a side showing. This tells the world this is not just an important medical issue - kids facing cancer - but it's a good film.