I dont know anything bout Blizzard but I can tell you lots bout the bat. Here's a link with many demos, including one for the bat. http://www.magicsmith.com/cgi-bin/webca ... m&CODE=452
Well thats on Magicsmith.com but theres a quick link. Its a cool trick (the bat).
So as you can see you can make stuff move, vanish, change, stick together, etc. Even though they dont seem like much, the 2 brass rings boggle lots of people. My buddy was sitting there for over half an hour trying to make them stick together like I did. Didnt get it.