under the bed storage: drawers + casters. We can search at habitat for humanity restore. also: you can customize with your choice of knobs/pulls (hobby lobby often has sales on them) also also: may gather dust but way cheaper than ugly, overpriced sterlite containers from walmart and such anyways.
Conquer Clutter With Drawers: 14 Inventive Solutions. Great article on unique drawer storage. Drawers behind the first few stair risers.... This could be a good idea for the basement as long as the kids remember to close the drawers!