That circular cut on the stool top.
A light bulb fixture attaches the wheel to the stool.
Found, fresh horse manure from Central Park as the “stool”.
The found fork fits perfectly in the steel stool.
The fork from a star wars bike and a road-side table find.
A scratch-built stool constructed from a shipping pallet
Featuring the rear wheel of a dirtbike.
The only found objects - a rubberband and some twigs.
A Bahco screwdriver is used as an axle.