Growing vegetables from food waste is a great lesson for kids and also makes great science experiments Teach students how to regrow food and pick a food to regrow as a class. Could use a food from a students leftover lunch.
Use an old wooden ladder to divide up planting space in your garden. Smart and stylish! I did this for my herb garden. Just picked up an old extension ladder from someones trash pile on the curb (I asked first!), the put it in the garden.