Automatic Miniature Plastic Factory

Recently, I visited the Henry Ford Museum in Dearborn, Michigan. It is a fantastic place with loads to see and do (including Buckminster Fuller's Dymaxion House). However, I found myself constantly being drawn back to the 'Mold-A-Rama' vending machines throughout the museum. Basically, these are coin-operated injection presses that for $2.00 will pop out a little plastic car, train or historical figure (e.g. a bust of Abraham Lincoln). They certainly got me thinking...