On 9/23/2015 2:34 PM, couryho...@aol.com wrote: > I really believe a person would make an entire interesting > collection of just logic trainers! > > we have a couple of the MINIVAC trainers too one I keep under > glass and the other I take out for show and tell. >
My mother in law had one of those she used in her high school for extra projects for kids in her math classes. Played with it when I was up one Labor Day weekend before my wife and I were married. If that counts then so should the Digicomp plastic slidy-toy-thing I had as a kid. ;) JRJ
