Maybe nail shelves to the back of bookcases for more book storage?
20 inspiring ideas for children's bedrooms with sloped ceilings
IKEA RIBBA picture ledges are inherently versatile, but they may be more versatile than you realized as you'll see by these 20 alternative uses.
Subtle blue hues in the kids’ rooms
Große Fläche aus weißen Magnettafeln für Kinderkunstwerke u. Souvenir-Magneten
Mit kleinen Gießkannen als Haken