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LEGO 11204 Mermaid Gabby's Aquarium Adventure

LEGO 11204 Mermaid Gabby's Aquarium Adventure

set number 11204 · Gabby's Dollhouse · released 2025 · retail $22.99

Recently retired · Aug 2026Moderate

Brickset lists LEGO 11204 Mermaid Gabby's Aquarium Adventure as recently retired (Aug 2026). It launched at $22.99 retail. No verified complete-set listing is available at the moment. The scarcity signal is moderate, with around 8 active listings tracked — a supply-and-demand proxy only. Every figure on this page is a calculated market estimate built from active listing data.

Complete-set valuation

Calculated market estimate $33.00
Lowest verified complete set —
Based on 8 verified complete-set listings. Parts, instructions, minifigures and accessories are excluded.
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Market Performance Score

Not enough verified data to measure appreciation. Missing: a confirmed retirement date, a known original retail price and enough verified complete-set listings.

Browse current 11204 listings on eBay →

This opens an eBay keyword search for “LEGO 11204”. Results are unfiltered live listings — they are not verified complete sets and carry no price estimate from us. Affiliate link disclosure.

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Retiring soon, listed under retail →Retired sets still under retail →

Figures are typical asking prices from active listing data, not completed sales.

Calculated market estimate over time

2026-08-01 – 2026-10-05 · $33.00 latest

Checked 2026-10-05 · lifecycle data from Brickset. Based on Brickset ownership data + live eBay supply — LEGO does not publish production figures.

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