This was a 60s toy, but it was brilliant left over for the 1960s. It was a set of coloured pens, and strange plastic shapes that you held the pen in, and then you moved the plastic across the paper, and as it hit the boundaries of the Spirograph it would make amazing geometrical patterns. If you were artistic, you could make it look even better by using many colours.
The only problem I had with this, was that if your had a bump in the paper, or a very slightly unsteady hand the whole thing was ruined. Now that is OK if you just started, but if you were just getting to the end of the master piece it was screaming bad luck.
Spirograph was a very complicated mathematical game and I knew nothing of that at all. The British inventor Denys Fisher had no idea what he had started when he had this game.