I'm not trying to be rude, but how can you pair up your snakes and not think about incubating eggs until she's getting ready to lay? This should all be figured out before you think about breeding; and even if not, regius take months to ovulate after pairing--you could have asked these questions months in advance and you wouldn't have to scramble to get an appropriate incubator setup. Just some food for thought, and some constructive criticism. Anywho, if this is your only clutch, I'd say just buy a Hovabator, plug it into a better thermostat, get the egg box in there with a 1:1 ratio of vermiculite to water, and get it up to the right temps. Good luck, and here's to a healthy hatch of snakes. Keep in mind that you shouldn't wait this long to get appropriate setups for your hatchlings.
Cheers,
-Matt