Universal Building Set · Supplemental
Windup Motor
· ★ 3.5 (3) · owned by 1,193 · wanted by 111
No qualifying sold comps yet — the archive doesn't guess. The universal rotation will reach this set.
Your position
Track your own copy: the archive marks it from real sold comparables the moment it lands, and watches its retirement status from then on.
The evidence
No sold comps recorded yet.