[Squeakland] game controllers?

[Bob Irving]

I saw a demonstration at Squeakfest last summer of someone using Squeak
with some very simple, inexpensive game controllers. Unfortunately, I
didn't write down the brand.
 
Can anyone point me to a source for these? I would like to use them in
my 6th grade class, where my students are writing games in Squeak.
 
Thanks in advance,
 
 
Bob Irving
Middle School Technology Facilitator
Lancaster Country Day School
Lancaster, PA
Blog: http://cougar.e-lcds.org/wordpress/ 
"In times of change, learners inherit the earth, while the Learned
find
themselves equipped to deal with a world that no longer exists."
Eric Hoffer
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