Updated April 16, 2016
The first item I bought was the torso knob. I bought 2 of them from Mike J. when I joined the B9 Builders Club.
The tape reel was bought from a vintage recording equipment hobby site. I bought 2, and although they aren't the correct style, they will do.
The lighted switches for my torso buttons are NKK part KB15SKW01
from Allied Electronics. You can plug an LED right into them.
I bought a partial brain kit from Scott S. that has defective plating. This will save me from cutting out the little shapes. Scott traced the outline of the missing triangular pieces onto the cardboard packaging so that I would have a reference to make my own.
I don’t remember who I bought the aluminum brain spinner from, but it also has some minor defects so I got a discount.
I bought some 7 RPM 12V gearmotors from MPJA.COM. They are offset, unlike the ones typically used for animating the brain.
I have a collection of motors from linear actuators used in electric gate openers, as well as Futaba servo motors and a few stepper motors, all saved from a previous job. The price was right.
I also have: