Vermi-composting is a great way to introduce children to recycling and the web of life.
Worms help return nutrients to the soil so they can be used by the next generation of plants.
The worm is dependent upon decaying matter for food and plants are dependent upon the nutrient sources worms leave behind. They also plow and aerate the soil. In classrooms we have demonstrated what happens to layers of different types of soil and food scraps when worms are added. It is clear that the worms are mixing the soil and transforming the food waste. How to make and maintain a worm composting bin.