I was a teenager during Hurricane Donna in 1962, and a critical object lesson was the image of a little old lady with a shopping basket full of toilet paper, and an empty shelf behind her....I tried to convey this mentality to my students, and a 5gal "go" bucket became a yearly lab assignment for many years..... if your local public school participates in the "Great American Teach In" you can spread the word if you volunteer for a presentation....check with the policy on edged tools