Knights' Castle #4777 worth

Answered from real closed-sale prices · updated July 18, 2026

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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.

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LEGO DuploKnights' Castle #4777$196.46
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LEGO Knights' Castle (4777-1)
CastleLEGO Knights' Castle (4777-1)—
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Live on eBay right now — Knights' Castle #4777

2004 VINTAGE LEGO DUPLO 4777 KNIGHTS CASTLE INCOMPLETE HTF2004 VINTAGE LEGO DUPLO 4777 KNIGHTS CASTLE INCOMPLETE HTF$79.99Buy ↗LEGO Duplo 4777 Knights Castle 2004 Incomplete Missing some piecesLEGO Duplo 4777 Knights Castle 2004 Incomplete Missing some pieces$202.49Buy ↗INCOMPLETE LEGO Duplo Sets 4777 Knights Castle, 4779 Defense Tower, 4775 SquireINCOMPLETE LEGO Duplo Sets 4777 Knights Castle, 4779 Defense Tower, 4775 Squire$349.99Buy ↗LEGO DUPLO: Knights' Castle (4777-1)2004 Near Complete See DescriptionLEGO DUPLO: Knights' Castle (4777-1)2004 Near Complete See Description$175.99Buy ↗LEGO DUPLO Castle 4777 Knights' Castle RETIRED RARE 100% Complete SetLEGO DUPLO Castle 4777 Knights' Castle RETIRED RARE 100% Complete Set$299.99Buy ↗MOC Lego Duplo 4777 With Minifigures Knights Castle 2004 Retired Incomp + ExtraMOC Lego Duplo 4777 With Minifigures Knights Castle 2004 Retired Incomp + Extra$99.99Buy ↗
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