Bed: 2 big blankets, 3 small blankets, 1 body pillow, 3 normal pillows, 2 small pillows

TV set: room for all systems on shelves, 4 controllers for each system, headset and games on sides of TV, soundbar/speakers

Lego: drawers for loose Legos, built sets on shelves, build as much as possible from the loose Legos

Bookshelf: nuff said

Dresser: get bookshelf top if possible