Set prices › Super Mario › 71377

LEGO® King Boo and the Haunted Yard - Expansion Set 71377

Super MarioSuper Mario Expansion Set2020431 piecesRetired

Value new · sold average, 6 months

$36.79

BrickLinkNew listings, shipping to the USSee listings ›BrickLinkUsed listings, shipping to the USSee listings ›

Prices updated Oct 8, 2026, 23:30 UTC.

Launch price at LEGO$49.99

Used · sold avg, 6 months—Too few sales

Price history

NewUsedLEGO retail

Monthly average of real sales, in USD at today's exchange rate.

What is LEGO King Boo and the Haunted Yard - Expansion Set 71377 worth?

A new, sealed King Boo and the Haunted Yard - Expansion Set (71377) sold for $36.79 on average over the last six months, across 18 sales. LEGO no longer sells it in the US, so collectors set the price (it launched at $49.99).

Set facts

Set number: 71377
Pieces: 431
Released: 2020
Theme: Super Mario
Price per piece: $0.09
Status: Retired

Questions

Is LEGO 71377 King Boo and the Haunted Yard - Expansion Set retired?

Yes. LEGO no longer sells King Boo and the Haunted Yard - Expansion Set in the US, so its value now comes from what collectors pay for it: $36.79 new on average over the last six months.

How are these prices calculated?

Values are quantity-weighted averages of real sales of the set over the last six months, updated every night. LEGO retail prices come from Brickset. Other currencies are converted at the European Central Bank's daily rate.

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