Simple stack of multiple fabric-covered foam pads. makes a cushy "sofa" in the playroom, and can be pulled apart for multiple sleepover guests, movie night pillows, or tumbling games, etc. (they have fabric covered foam mattresses at Jysk)
22 Modern Book Shelves to Display Books in Creative and Beautiful Ways
Here is another combination kids bedroom with a reading nook along the bedroom wall (the lower circle). Asymmetrical shelves and circles. The lower circle by the floor becomes a reading nook. I want this in my room!