LEGO® Monster 4 3837

Games2009142 piecesRetired

Value new · sold average, 6 months

$29.35

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Prices updated Oct 10, 2026, 23:31 UTC.

Launch price at LEGO$14.99

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 Monster 4 3837 worth?

A new, sealed Monster 4 (3837) sold for $29.35 on average over the last six months, across 1 sales. LEGO no longer sells it in the US, so collectors set the price (it launched at $14.99).

Set facts

Set number: 3837
Pieces: 142
Released: 2009
Theme: Games
Price per piece: $0.21
Status: Retired

Questions

Is LEGO 3837 Monster 4 retired?

Yes. LEGO no longer sells Monster 4 in the US, so its value now comes from what collectors pay for it: $29.35 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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