Retro. That duck egg blue wall colour really makes this retro look. All the great furniture and cute accessories like the typewriter rewind this look right back to the Totally retro might not be your look but there are great elements here you can pick
Mapping 2013 on Behance Use a process like this for "identity/self-concept" activity about skin color/shade/tone/palette. Put vertical photo strip of every child together on a couple images to make a collective face.