Possible option for "framing" the window seat in the play area with functional storage, would also add pillows to bench area since window is not as low, and add crown molding to make it appear more built-in
IHeart Organizing: Our Playroom Reveal! This is a GREAT playroom makeover. Wish I had a room in my house to do this, but I still can use some of the ideas for storage and seating. I especially like the tall bookcases turned sideways as seating.