new icn messageflickr-free-ic3d pan white
Worm peep show | by mdelemos
Back to photostream

Worm peep show

Teaching tool used in the vermicomposting class. See the different layers of stuff? Check out the bottom-most layer... black gold is what that is!

2,990 views
1 fave
2 comments
Taken on March 29, 2008