DIY: Lunchbox Container from a Milk Jug :-: pack smarter, replace all your disposable plastic sandwich bags with a DIY container.
20 Fun and Creative Crafts with Plastic Soda Bottles – DIY & Crafts - Would be fun to do some of these around Earth Day to stress the importance of recycling and reusing.
Interesting use for old detergent bottles. Use outdoors with a solar light, or even indoors on a post or as a pendant
DIY Shampoo Bottle Monster Pencil Holder - fun craft to do with your kids! Turn those old shampoo bottles into something useful!