Royal Knight's Castle #6090 worth

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

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The catalog shows that the Royal Knight's Castle #6090 is valued at $360.85 used [1]. Since the second item, LEGO Royal Knight's Castle (6090-1), is unpriced in the current results, I recommend looking closely at the live listings shown on your screen for the most current asking prices to compare against that used sold value.

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LEGO CastleRoyal Knight's Castle #6090$360.85
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LEGO Royal Knight's Castle (6090-1)
Royal KnightsLEGO Royal Knight's Castle (6090-1)—
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Live on eBay right now — Royal Knight's Castle #6090

LEGO 6090 System Royal Knight's Castle W/ Box - incomplete - baseplate and figsLEGO 6090 System Royal Knight's Castle W/ Box - incomplete - baseplate and figs$240Buy ↗LEGO Castle: Royal Knight's Castle (6090) 98% Complete with Instructions No BoxLEGO Castle: Royal Knight's Castle (6090) 98% Complete with Instructions No Box$425Buy ↗LEGO Castle: Royal Knight's Castle (6090) - Box TopLEGO Castle: Royal Knight's Castle (6090) - Box Top$40Buy ↗LEGO 6090 Royal Knight’s Castle 100% Complete Authentic Parts w/ InstructionsLEGO 6090 Royal Knight’s Castle 100% Complete Authentic Parts w/ Instructions$385Buy ↗LEGO 6090 Royal Knight's Castle Royal Knights 1995 Missing without Box ChippedLEGO 6090 Royal Knight's Castle Royal Knights 1995 Missing without Box Chipped$109.89Buy ↗LEGO 6090 Royal Knight's Castle Castle Set w/ Baseplate & ManualLEGO 6090 Royal Knight's Castle Castle Set w/ Baseplate & Manual$275Buy ↗
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