This is a perfect combo of my two favorite ideas for that space under the stairs leading to the basement. A reading nook AND book storage and shelves . assuming that there is enough space for this there.
rock garden DIY Rock Cactus Garden- this if for those self declared Brown-Thumbs out there! We saw this & thought they were cute! This would be a fun project to do with the little kids, gather a few rocks on your next outing.