Mech Armor Collection #66671 — LEGO Super Heroes Set Value
LEGO Super HeroesWhat the Mech Armor Collection #66671 LEGO set is worth — loose, complete, and sealed.
Mech Armor Collection #66671 value — Loose $30 · Complete (CIB) $61 · Sealed (new) $75. Prices updated August 2026.
Monthly CIB value, based on sold comps.
See the actual sold listings on eBay ↗Live on eBay right now
▍
Price data verified against · 1
Item details
- UPC / EAN
- 0673419354813
- Brand
- LEGO
- Theme
- LEGO Super Heroes
- Set number
- #66671
- Release date
- January 1, 2021
Mech Armor Collection #66671 (LEGO Super Heroes) resale value
A loose Mech Armor Collection #66671 set runs around $30, a complete copy (all pieces + box + instructions) about $61, and a factory-sealed box commands $75.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $30 | eBay sold comps |
| Complete (CIB) | $61 | eBay sold comps |
| Sealed (new) | $75 | eBay sold comps |
| Live asking — low / typical / high | $74.5 / $91.99 / $129.99 | 5 live eBay listings ↗ |
Market check: As of July 17, 2026, 5 live eBay listings ask $74.50–$129.99 (median $91.99).
Frequently asked questions
- What is the best deal for buying this LEGO set?
- The best value depends on your needs; loose is the most affordable at $29, while sealed is $76.
- How much is the complete, in-box version selling for?
- The Complete (CIB) condition of Mech Armor Collection #66671 is listed for $64.
- Can I buy this set brand new?
- Yes, the sealed, new version of Mech Armor Collection #66671 is available for $76.