1. Make your own checker set by reusing your old bottle caps. 2. reuse paper bags as school book covers, or be a little more creative with these ideas. 3. reuse your old CDs and DVD with these tips. 4. reuse coffee grinds by keeping them aside and placing them into your garden or soil. 5. reuse pens and art supplies by donating them to local schools. 6. reuse your old food scraps by composting them. 7. reuse used wrapping paper and save it for next year. 8. reuse kiddie pool water on plants and shrubs. 9. reuse old wallpaper and turn it into one of a Willow's suggestion !