So...

For a baby corn, I would say a 6qt tub. This for heating, regulated with a thermostat:

http://www.reptilebasics.com/heat-tape

and follow this instructions:

https://ball-pythons.net/forums/show...e-Basics-*DUW*

How would you set up the heat tape?

There are more videos on YouTube, but here is one way to do it:
https://www.youtube.com/watch?v=NL0_UabZ8XM

So I now have a 10gal tank with a screen top,and a small water bowl with low sides :) No heating yet and could I use toilet paper tubes until it got bigger?