Buy the same model here:
http://www.eevblog.com/amazon/
Dave turns a low cost reptile egg incubator into a decent 2degC to 60degC lab thermal chamber.
Throw in a Rigol oscilloscope, an Arduino, and a few multimeters for good measure.
The model used is the HERP Nursery II, also known as the BCR-25 Wine/Beer chiller and Pie Warmer.
