This image was achieved, first, in 2006 using blender and rendered using the internal engine. It was for a contest about childhood.
I recently decided to rework it and re-render it using Cycles and the new capabilities of the engine.
You can find more about the project on the behance page: https://www.behance.net/gallery/12748895/Playmobil-Mum-just-go-back-from-work
