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Build a Wormery
Watch worms turn scraps into soil.
⏱️ 45 min + weeks watching🧑 Grown-up helper needed
What you need
- A large clear jar
- Sand
- Soil
- Leaves and vegetable scraps
- A few earthworms from a garden
- Dark paper
What you do
- Layer soil and sand in stripes in the jar.
- Add leaves and small scraps on top.
- Add the worms gently and cover the jar with dark paper.
- Keep it damp and cool. Peek every few days.
- After two weeks, return the worms to the garden.
What's really happening
Worms mix the layers as they tunnel, dragging leaves down and leaving nutrient-rich casts behind.
Stay safe
Always return wild animals to where you found them.
