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Toys From The '70s We Used To Love

8. Spirograph
We loved playing with our Spirograph when we were kids. Did you? And probably your kids played with one too, since it's been a popular toy ever since it was released in the late 1960s. 

Did you know that the shapes you were creating were actually hypotrochoids or epitrochoids? Probably not. Back then, we were just trying to keep the wheel from skipping, which wasn't always easy. And, we were trying to keep the little pins in place and not lose them!