I think Mr Punch is ready for a pitch. Am visiting Walker tomorrow so I will see what they think. It is an exciting stage to reach; this story has been rattling around in my head since 2003!
Here's a page from my sketchbook in 2005... still wrestling with it two years on:
These things sure can take a while. Why can't we have six more hours every day and at least fifty more years to live? I'm not going to have time to finish half the things I want to make at this rate!