Amazon has the RiverRidge 2-Piece Folding Storage Bin in $3.71 with free shipping.
Product Features:
- 2 large-capacity bins that hold toys, games, art/craft suppies, and more.
- Bins fold flat when not in use.
- Made of non-woven polypropylene and paperboard.
- Assembled size: 10.5-inch W by 10.5-inch D by 10-inch H.