The crossword solutions for the term SPIROGRAPH, E.G. are TOY. A Spirograph is a geometric drawing TOY that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids. It was developed by British engineer Denys Fisher and first sold in 1965. The Spirograph consists of two parts: a set of plastic rings with gear teeth around the edges, and a set of pens and wheels. The user places the rings over the pens and wheels and then moves the pens and wheels around the rings to create intricate designs.