I Am Looking For Small Plastic Robots

Greetings.

I am on the lookout for small plastic robots. I was lucky and found some on ebay. It seems most robot stuff is expensive - I did not realize they were such a collector's item. Here is what I found on ebay(scroll to the bottom):

http://cgi.ebay.com/ws/eBayISAPI.dl...MEWN:IT&viewitem=&item=230122642342&rd=1&rd=1

I searched the party favor stores with no luck. Does anyone know where I might find some? Or who might want to sell some?

Thanks.