Knights' Castle #4777 — LEGO Duplo Set Value
LEGO DuploWhat the Knights' Castle #4777 LEGO set is worth — loose, complete, and sealed.
Knights' Castle #4777 value — Loose $48 · Complete (CIB) $167 · Sealed (new) $506. Prices updated August 2026.
Monthly CIB value, based on sold comps.
See the actual sold listings on eBay ↗Live on eBay right now
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Price data verified against · 1
Item details
- UPC / EAN
- 0673419055888
- Brand
- LEGO
- Theme
- LEGO Duplo
- Set number
- #4777
- Release date
- January 1, 2004
Knights' Castle #4777 (LEGO Duplo) resale value
A loose Knights' Castle #4777 set runs around $48, a complete copy (all pieces + box + instructions) about $167, and a factory-sealed box commands $506.
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 | $48 | eBay sold comps |
| Complete (CIB) | $167 | eBay sold comps |
| Sealed (new) | $506 | eBay sold comps |
| Live asking — low / typical / high | $3 / $13.99 / $349.99 | 20 live eBay listings ↗ |
Market check: As of July 19, 2026, 20 live eBay listings ask $3.00–$349.99 (median $13.99).
Frequently asked questions
- What is the best value condition for Knights' Castle #4777?
- For the best immediate value, the loose set is available for $48. If you want a complete display piece, the CIB option is $197.
- How much does a brand new, sealed set cost?
- A brand new, sealed Knights' Castle #4777 set is currently listed for $509.
- Can I buy the set if it's missing pieces?
- Yes, the loose version of Knights' Castle #4777 is available for $48.