"A Spirograph is a fun geometric drawing device that produces mathematical roulette curves of the variety technically known as hypotrochoids and epitrochoids.
The well-known toy version was developed by British engineer Denys Fisher and first sold in 1965." (Wikipedia)
4 different rotating elements and a frame.
Each element has holes to insert a colored pencil or pen.
 
Eco-friendly sustainable material made of FSC-certified wood.
Very high precision with laser-cut plywood with amazing details.
All-inclusive boxes, self-assembly.