Have you ever considered painting plastic but are unsure if the paint will actually adhere to a smooth surface? The good news is that you can paint plastic. Your basic plastic items can be personalized with a fun and unique color.
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.
The Chic Technique: Plastic Cup Sun Catcher Mobile by Erin Barnes This is made out of recycled plastic cups. Shrunk like shrinky dink plastic and hung so beautifully into this mobile/sun catcher. What a great older kid project as well.