Spirograph Kenner 401 Drawing Design Set Toy Vintage 1967 Game 1st Edition missing a few pieces original box!
The set includes various plastic gears, rings, racks, and pins used to create mathematical roulette curves, known as hypotrochoids and epitrochoids.
It was developed by British engineer Denys Fisher and first sold in the US by Kenner in 1966, quickly becoming a popular toy.
The set shown appears to be the original edition (No. 401) with the red plastic tray and instruction booklet.
selling as pictured.
more than welcome to pick up at shop in butler pa & save shipping.
122425 cg