Double Walled Metabolic Shaking Incubator has an oscillating tray riding on ball rollers that is oscillated through a geared variable speed motor. The Metabolic Shaking Incubator is also offered with one shaking tray, paramedical cover, L-shaped thermometer cord and plug to work on 220/230 volts A.C. Supply. The Metabolic Shaking Incubator is a double walled unit with inside made of thick stainless steel sheet and powder coated mild steel outer side prevents falling of condensed water droplets on the specimens. Double Walled Metabolic Shaking Incubator is provided with heating arrangement in a temperature ranging from ambient to 100°C or with both heating and cooling arrangements having temperature varying from 5°C to 60°C.