Divider set to fit either the 3-drawer cube or the one-drawer cube with shelf. 6 dividers to make 12 sections, $9.99
Paint Bottle Tray, heavy plastic with 36 wells for storing paint bottles (such as Apple Barrel acrylics) upside down, fits in the full size drawers, $3.99
Peg Boards, hang on the side of any cube, $19.99 (additional pegs sold in packs of 4)
Wall-Mount Magnetic Embellishment Board with 4 Storage Tins, can't remember price, sorry!