LACK wall shelf unit, black-brown, 113/4x743/4" - IKEA
Amazon.com: Classic Nursery Shelves, Set of 2 Natural Wood Floating Book Shelves for Kids Room, Wall Shelves for Bathroom Decor, Kitchen Spice Rack, Book Shelf Organizer for Baby Nursery Décor (32Lx4W) :
Pin en Apartment Therapy
Ikea Hack: How to Turn Ikea Picture Ledges Into Floating Bookshelf