The LEGO® Colosseum #10276 retailed for $549.99 and retired in early 2024. At launch it was the biggest LEGO® set ever made, at 9,036 pieces.
This set has already left retail. It appears in the discontinued section of the retiring LEGO® sets list, which tracks what has gone and what is next.
The record holder that started the 9,000-piece era
When the Colosseum arrived in November 2020, its 9,036 pieces dethroned the UCS Falcon as the biggest LEGO® set of all time. The reign was short (the World Map took the record in mid-2021), but the precedent stuck: five-digit piece counts stopped being unthinkable, and the giants that now top our biggest-sets ranking all walked through the door this set opened.
It was also an unusually honest build: no minifigures, no gimmicks, just eighty columns' worth of Roman engineering in speckled tan and an elliptical geometry problem that LEGO® designers solved with genuine elegance. At 6.1 cents per piece it was one of the best value-density flagships ever sold, which regular readers know is my favorite kind of flagship.
Life after retirement
LEGO.com sold its last copies around February 2024. Demand has not gone anywhere: 4,383 Brickset members want one versus 3,950 owners, a Heat Index of 99.1 that puts it in the hottest one percent of everything we track. Remaining sealed copies live on marketplaces now; the search link below shows what is actually listed today.
Frequently Asked Questions
How much did the LEGO® Colosseum cost at retail?
$549.99 US. For a 9,036-piece set that works out to about 6.1 cents per piece, exceptional for a flagship.
When did the LEGO® Colosseum retire?
Its expected exit was logged for the end of 2023 and LEGO.com stock lasted into early 2024, with the last availability recorded that February.
Was the Colosseum the biggest LEGO® set ever?
Yes, from November 2020 until June 2021, when the 11,695-piece World Map passed it. The current record belongs to the 12,060-piece Sagrada Família. The Colosseum still ranks in the all-time top five.
Does the Colosseum have minifigures?
Not one. It is pure architecture, which the display crowd considered a feature. If you want crowds in your arena, you are officially the MOC community's problem now.
Retirement dates are community-tracked expectations, not official LEGO® announcements, and can change without warning. Market information is provided for general interest and should not be considered financial advice. Values fluctuate.
Catalog data: Rebrickable · Set details: Brickset · Colosseum on Brickset ↗ · All data sources
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Data updated: October 10, 2026