Universal Building Set · Basic
Basic Set Trial Size
· owned by 42 · wanted by 69
sealed: sells ≈ 1× per 6 mo
sealed mark$20 ⟨$20 — $20⟩ n=1 · thin
Sep 2026sealed ── Sep 2026
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
2026-06-18sold · sealed · bricklink$20