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Technic Cat D LEGO 11 Bulldozer (42131-1)

Technic Cat D LEGO 11 Bulldozer (42131-1)

Variation: New Sealed
LEGOTechnic
Condition

New Sealed is the primary LEGO collector condition. Used Complete tracks opened sets with all pieces and is secondary when available.

Market read

Medium confidence · Recent completed sales
CollectAIO Value
$849
12 completed sales9 active listings

Based on recent completed sales. Current asking prices are shown separately because they may not clear.

Best next action: If this is your exact variation, add it to your collection. If you are still waiting on price movement, create a watch.

Details
Set Number: 42131-1
Year: 2021
Pieces: 3854
Theme Path: Technic

Price History

CollectAIO Estimate

Today’s CollectAIO Value: $849 Based on recent completed sales. Current asking prices are shown separately because they may not clear.

Estimated from archived TCGPlayer market/listing signals and matched eBay sold comps where available. Raw source lines are available in Compare sources.

Price history stores one point per day. Same-day updates replace today's snapshot.

Market Evidence

The detailed signals behind the top market read. Payout, retail basis, refresh, and marketplace caveats stay here so the first screen stays focused.

No eBay Sold Comps
No matched eBay sales recorded yet
No eBay Active Listings
No matched eBay listings recorded yet
eBay evidence is stale
Showing saved prices. Open refresh status to request fresh comps and active listings.

Sold Comp Trend

Weekly median sold comps are down -$46.90 (-5.5%) from week of Feb 2 to week of Apr 6.

View trend

Weekly median of matched eBay sold comps. Used as supporting evidence for CollectAIO Estimate where available.

First Week
$852.79
Week of Feb 2 • 1 comp
Latest Week
$805.89
Week of Apr 6 • 3 comps
Move
-$46.90
12 included sold comps across 7 weeks
12 matched eBay sold comps used in value calculation
Collector previewLoaded row sorting is free during launch.
Sorted by sold date (descending)

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