Anyone use chore time feeders

[willowcol]

A guy down the road from me has about 200 chore time feeders for sale for around $1.50 each. I am going there tonight, I believe they are an automatic feeding system but not sure. Anyone know anything about how they are used?

 

[mwdh1]

Here is a link for some more info on these feeders.
http://www.choretimepoultry.com/products.php?product_id=1