In the early '70s, I got one of these in a mystery gift at Santa Claus Land in Indiana. Loved the picture of the boat and would use it as a starting point for a whole scene, with beach, cliffs and a lighthouse. It didn't teach you how to draw but it did stimulate creativity.
The problem is that most of the 'occupiers' probably don't know what a hyphen is. The song should have been called "That Little Dash Thingy".