# Knights' Castle #4777 worth

Based on the catalog data, the Knights' Castle #4777 LEGO Duplo Set is valued at $196.46 used. The new price is listed at $506.42. This item's value is driven by its status as a specific LEGO Duplo set. You can compare this sold value against the current asking prices shown on the screen to see if it's a good buying opportunity.

## Items referenced

| Item | Used | New | Page | Sold comps |
| --- | --- | --- | --- | --- |
| Knights' Castle #4777 — LEGO Duplo Set Value | $196.46 | $506.42 | [view](https://junkpal.ai/products/knights-castle-4777-lego-duplo-lego) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DKnights'%2520Castle%2520%25234777%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |
| LEGO Knights' Castle (4777-1) | — | — | [view](https://junkpal.ai/products/lego-4777-1) | [eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%2520Knights'%2520Castle%2520(4777-1)%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-answer-sold&p=md-answer-sold) |

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_Updated 2026-07-18._

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Source: [https://junkpal.ai/answers/knights-castle-4777-worth](https://junkpal.ai/answers/knights-castle-4777-worth) · JunkPal price guide (junkpal.ai)
Values are medians of real closed eBay sales — estimates for reference, not offers or appraisals.
More machine-readable surfaces: [/llms.txt](https://junkpal.ai/llms.txt)