Help quick make shift incubator

[pepi87]

Our new Smooth Knob tailed gecko just laid eggs which we have not yet gotten an incubator for, what can we do as we weren't wanting to breed for a little while longer.
PLEASE HELP US

 

[Dan40D]

Styrofoam box or esky, heat cord/ mat and a thermostat, see here --> http://www.aussiepythons.com/forum/diy-zone-5392/broccoli-foam-box-lncubator-165229/