Houzz is the new way to design your home.
Clock and position
One wall all warm wood with light fixture.
One space extra large chalkboard paint to all kids to draw. With a border to hold different color chalks.
Useable small space.
Birds on Wire (twine). Very whimsical.
Touch of color plus rug.
Good use of built in--bed and bookshelves.
Idea of putting small hooks and hanging ornaments in a window with small lights around them.
Hanging art. Make something with yarns and beads to match room.
Extra bed. With drawer space under.