🪱
For Curious Kids — Ages 5 and up
Fun to read · Worm farm project included

Worms might seem small and slimy, but they are literally building the soil that feeds your whole garden. Without worms, plants would struggle to grow. Farmers have known this for thousands of years.

🦸 What makes worms superheroes?

  • They dig tunnels — worm tunnels let air and water reach plant roots. Air in soil is like breathing for the roots.
  • They eat rubbish and make gold — worms eat dead leaves, food scraps, and soil. What comes out the other end is called castings — and it is the richest plant food in the world.
  • They mix the soil — a single worm eats its own body weight in soil every day. Over a year, all the worms in a garden move tonnes of soil around.
  • One teaspoon of healthy soil has more living things in it than there are people on the whole planet Earth. 🤯

🏡 Build a Worm Farm — Kid Project

A worm farm turns your kitchen scraps into free fertiliser. This is a real project you can set up in a weekend.

What you need:

  • 2 old plastic storage bins (one stacks inside the other)
  • A drill or nail to make holes (ask a grown-up)
  • Shredded newspaper or cardboard
  • Soil and compost to start
  • Worms — find them in the garden after rain, or buy composting worms from a nursery
  • Kitchen scraps — vegetable peels, fruit, coffee grounds, eggshells

How to build it:

  1. Drill holes in the bottom of the top bin (so liquid drains into the bottom bin — this liquid is amazing plant food diluted with water).
  2. Add a layer of damp shredded newspaper to the top bin.
  3. Add a layer of soil and compost.
  4. Add your worms.
  5. Cover with more damp newspaper.
  6. Feed them kitchen scraps every few days — bury the scraps under the newspaper layer.

❌ What NOT to feed worms

  • No meat or fish — it attracts flies and smells bad
  • No dairy — same problem
  • No onions or citrus in big amounts — worms do not like these
  • No glossy paper

🧪 Watch them work

After a few weeks, dig gently through the bin. You will see the scraps turning into dark, crumbly material — that is the worm castings. Sprinkle this on your plants and watch them grow faster than any plant nearby. You just made free fertiliser from rubbish. That is homesteading!