How To Make Your Own
Worm Farm In A Bottle
Get kids excited about composting by creating a worm farm in a bottle! This hands-on gardening activity teaches tamariki about worms' vital role in soil health while they layer soil, leaves, and food scraps and learn how worms break down organic matter into vermicast. A fun, educational project for home or the classroom!
What You'll Need
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Empty 1.5 litre soft drink bottle
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Small stones
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Sand
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Soil
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Dead leaves or a small amount of shredded newspaper
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Food scraps such as lettuce, vegetable peelings, banana skin (do not usemeat, citrus or onion) that have been finely chopped
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Worms (collected from garden or tiger worms from a worm farm)
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Black paper and sellotape
Instructions
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Cut the top section off the bottle and drill some holes in the bottom for drainage and a few holes about 2-3 cm from the base for air flow
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Use a hole punch to put some air holes in the bottle just below the neck of the bottle
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Add a small layer of stones to the bottom of the bottle for drainage, then a5cm layer of sand
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Add approximately 5cm soil and a few leaves (or shredded newspaper)
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Add 2-3 worms
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Add a small amount of chopped up food scraps
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Continue to layer with soil, leaves and a small amount of food scraps,adding a couple of worms with each layer until it almost reaches the top
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Finish with a layer of soil and dampen with water
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Put top back onto the base and wrap in black paper as worms do not like the light
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Check periodically to see the work the worms have done
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Feed and add water if necessary - worms like it damp but not too wet