This is the insert which came with Keen Eye's Spinabolo Diabolos. A very nostalgic printed item, with instructions front and back, ads for other products, in 50's style art and colors, and folded for the maximum customer impact. A very exceptional piece of advertising to include with each Diabolo. This insert came with the Playground Model Spinabolo.
Also, an excellent diabolo instruction sheet, of use even today with all diabolos.
