Ribbon dispenser from 2 plastic soda bottles. Put a disk of cardboard cut from cereal boxes in between each ribbon roll. Thread ribbon rolls on a dowel. The rubber bands hold the bottle together and also holds down the ribbons
Upcycle plastic containers (spray / detergent bottles) into baskets, gift bags, containers, etc. Maybe larger square gallon jugs for holding craft supplies or keeping small things together in the closet, or.
Use Ikea Knuff magazine files as under sink storage holders. Screw a magazine file holder to the inside of kitchen cupboards. Add space to store more bulky items like chopping boards, cleaning products etc.