I have been growing worms and selling them for several years, but have never taught a class for Kindergarteners. I want to and have been asked to talk to them about the worms. What are some things that I could do with them that would keep them interested? Any help would be great.

Hi Cricket,
Did you see the notes about the children's rhyming book COMPOST B'GOSH?
Bubbles

Yes, thank you. I saw that book and have not read it. I have Diary of a Worm also.
Are there any more ideas?

cricket...I have done lots of classroom presentations with kindergarteners. One presentaton was to look, up close and personal, at the worms through a magnifying lens. Observing is a big part of K curriculum. I talked, while having them spread newspaper and dampening it, about what worms do in nature and how they clean up our environment, and are heroes in feeding the Earth. I pass out rubberbands and have them imitate how a worm moves. They then each get a worm and are given the task of figuring out which end is the front.
I have also done a presentation where we actually build a 3 gallon rubbermaid type bin for a classroom study. We talk about what worms need for a healthy habitat. They shred the newspaper, help me drill the air holes, add the worms and food. That bin becomes their class "pets" and they can feed them some of their lunch scraps. The teachers love this as they can use the bin to fit into their curriculum in many ways. The kids love having their own classroom worms and are the envy of the rest of the classes.

The kids (K-1) also enjoyed this book:
Under One Rock...by Anthony D. Fredricks

teaching them about the worms and why they are important.
what worms eat
why we need worms
how to recycle and reduce landfill waste by feeding it to the worms
of course take worms so they can all scream and ewww ahh ohhh at the worms let them touch them and play with them. They are kindergarderns after all.
a small fishtank plastic is best to let them see how the worms work and eat. cover it with dark cloth for the worms and then when you go to show the kids take off the cloth and let them all crowd around before the worms go into hiding.
hope that gives you a few ideas anyway
good luck it will be fun