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Just for Kids ... Worm World
This site has loads of information on raising worms

WorMania.com
was created to promote Vermiculture and Vermicomposting.
Please feel free to browse the resources we have accumulated.

Worms in School?
Raising worms makes a great class project!

A good educational worm bin should meet these specifications.

Size: 12 to 16 gallons. Smaller bins have too many failures. They have a tendency to be overfed. The larger ones are too heavy for kids and teachers to handle.

Composition: 30% to 50% recycled materials.  Why use virgin plastic or new wood if you are teaching recycling? Some of the soft plastic bins will leach out chemicals which will effect the worm's growth and hamper reproduction. Air flow is the key to using plastic containers for your worm bins.

Aeration: Air vents on the sides and bottom of the bin. Earthworms require a lot of oxygen to be healthy. This allows the air to pass from the bottom of the bin through the bedding. Turning your bedding once every 2 weeks will also help with the aeration of the bedding materials.

Moisture Content: 60% to 80%,  Earthworms breath through their skin and saturated bins will cut off the oxygen and the weight of the water will pack the bedding limiting the oxygen available to your worms.  Redworms are mainly surface feeders and it is the top three to five inches of your bin that needs to be at 80% moisture. At 80%, you can squeeze out a couple of drops of water from your bedding just like a damp sponge.

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