Universal Building Set · Basic
Basic Building Set Trial Size
· owned by 62 · wanted by 58
sealed: sells ≈ 1× per 6 mo
sealed mark$12 ⟨$12 — $12⟩ 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
2026-07-15sold · sealed · bricklink$12