This is a vintage 1975 Kenner Spirograph set No. 1421.
This set comes in the original box but is missing 1 wheel #84 and 1 ring holder. The pens are in the box but only the pink one writes.
The box measures 14.25" wide and 9.25" tall. The set was made in the USA
Comes in good pre-owned condition with a torn corner on the box.